bivalve

简明释义

英[ˈbaɪvælv]美[ˈbaɪvælv]

n. 双壳贝；[无脊椎] 双壳类动物

adj. 双壳的；两瓣的

英英释义

单词用法

同义词

反义词

例句

1.This paper presents basic operating principle and application of bivalve value window comparison switch and three state comparison switch.

本文介绍了双阀值窗口比较开关及三态比较开关的基本工作原理及应用。

2.Phytoplankton is the main food to the bivalve filter-feeders and the marine primary producer, so the impacts on the phytoplankton community by scallop culture deserve studying.

浮游植物是滤食性贝类的主要饵料，也是海洋主要的初级生产者，因此研究贝类养殖对浮游植物群落的影响具有重要的科学意义。

3.A Marine bivalve mollusk of the family Pholadidae, having a long shell with which it bores into wood, rock, and clay, often causing destruction of wharf pilings.

海笋，穿石贝海笋科中的一种海类甲壳软体动物，有长的甲壳，可以借之伸入到木头、岩石和泥土中，常引起对码头堆放物的破坏。

4.For example, sea stars prey on a variety of bivalve mollusks and prevent these bivalves from monopolizing habitats on the sea floor.

例如，海星捕食各种双壳类软体动物，防止这些双壳类动物独占海底的栖息地。

5.The structural color and microstructure of nacre in bivalve shells of Pinctada maxima were investigated by optical reflection spectra, scanning electron microscopy and theoretical simulation.

采用反射光谱、扫描电镜及理论模拟计算对大珠母贝珍珠层的结构色及微结构进行了系统的研究。

6.The structural color and microstructure of nacre in bivalve shells of Pinctada maxima were investigated by optical reflection spectra, scanning electron microscopy and theoretical simulation.

采用反射光谱、扫描电镜及理论模拟计算对大珠母贝珍珠层的结构色及微结构进行了系统的研究。

7.The ocean is home to many species of bivalve 双壳类动物, including clams and oysters.

海洋是许多种类的bivalve 双壳类动物的家，包括蛤蜊和牡蛎。

8.In cooking, bivalve 双壳类动物 are often steamed or grilled for a delicious meal.

在烹饪中，bivalve 双壳类动物通常被蒸或烤制成美味的菜肴。

9.The bivalve 双壳类动物 population is crucial for maintaining healthy marine ecosystems.

bivalve 双壳类动物的种群对于维持健康的海洋生态系统至关重要。

10.Some bivalve 双壳类动物 can filter water, helping to improve water quality.

一些bivalve 双壳类动物可以过滤水，有助于改善水质。

11.The study of bivalve 双壳类动物 fossils helps scientists understand ancient marine environments.

对bivalve 双壳类动物化石的研究帮助科学家了解古代海洋环境。

作文

The ocean is home to a diverse range of creatures, among which the bivalve stands out as one of the most fascinating. A bivalve (双壳类) is a type of mollusk that has a body enclosed within a hinged shell composed of two parts, or valves. This unique structure allows them to adapt to various aquatic environments, making them an essential part of marine ecosystems. The two halves of the shell are connected by a flexible ligament, which enables the bivalve (双壳类) to open and close its shell, providing protection against predators and environmental changes. Bivalves include well-known species such as clams, oysters, and mussels. These creatures play a crucial role in their habitats, often serving as filter feeders. By filtering plankton and other small particles from the water, bivalves (双壳类) help maintain water quality and clarity. This filtering process is vital for the health of aquatic ecosystems, as it supports a balanced food web and promotes the growth of beneficial algae. In addition to their ecological importance, bivalves (双壳类) are also significant from an economic perspective. They are harvested for human consumption in many parts of the world. Oysters, for example, are not only enjoyed for their taste but are also valued for their pearls. The farming of bivalves (双壳类), known as aquaculture, has become a lucrative industry, providing jobs and supporting local economies. However, the populations of bivalves (双壳类) are facing numerous threats due to climate change, pollution, and overfishing. Rising ocean temperatures can disrupt their reproductive cycles and lead to mass die-offs. Furthermore, pollution from agricultural runoff can create dead zones in oceans, where oxygen levels are too low for bivalves (双壳类) and other marine life to survive. Overfishing practices can deplete their populations faster than they can reproduce, leading to a decline in biodiversity. Conservation efforts are essential to protect bivalves (双壳类) and their habitats. Sustainable fishing practices, habitat restoration, and pollution control measures can help ensure that these vital organisms continue to thrive. Public awareness campaigns can also educate communities about the importance of bivalves (双壳类) in maintaining healthy ecosystems and the economy. In conclusion, bivalves (双壳类) are remarkable creatures that contribute significantly to both ecological balance and human livelihoods. Understanding their role in the environment can inspire us to take action to protect them. As we face the challenges of climate change and environmental degradation, it is crucial to advocate for sustainable practices that will safeguard the future of bivalves (双壳类) and the ecosystems they inhabit. By doing so, we can ensure that future generations will also appreciate the beauty and importance of these unique marine animals.

海洋是多种生物的家园，其中bivalve（双壳类）作为最迷人的生物之一而脱颖而出。bivalve（双壳类）是一种软体动物，其身体被一个由两个部分或阀门组成的铰链壳包裹。这种独特的结构使它们能够适应各种水生环境，使它们成为海洋生态系统的重要组成部分。壳的两个半部分通过一个灵活的韧带连接，这使得bivalve（双壳类）能够打开和关闭其壳，从而提供对捕食者和环境变化的保护。 双壳类包括一些著名的物种，如蛤蜊、牡蛎和贻贝。这些生物在其栖息地中发挥着至关重要的作用，通常作为滤食者，通过过滤浮游生物和其他小颗粒来维持水质和清澈度。这个过滤过程对水生生态系统的健康至关重要，因为它支持平衡的食物网并促进有益藻类的生长。 除了生态重要性外，bivalves（双壳类）在经济上也具有重要意义。它们在世界许多地方被捕捞供人类消费。例如，牡蛎不仅因其味道而受到喜爱，还因其珍珠而受到重视。bivalves（双壳类）的养殖业，称为水产养殖，已成为一个盈利丰厚的行业，提供就业机会并支持地方经济。 然而，bivalves（双壳类）种群面临着气候变化、污染和过度捕捞等诸多威胁。海洋温度的上升可能会干扰它们的繁殖周期并导致大规模死亡。此外，农业径流造成的污染可能在海洋中形成死区，氧气水平过低，使得bivalves（双壳类）和其他海洋生物无法生存。过度捕捞会使它们的种群减少，速度超过它们的繁殖能力，导致生物多样性的下降。 保护工作对保护bivalves（双壳类）及其栖息地至关重要。可持续的捕捞实践、栖息地恢复和污染控制措施可以帮助确保这些重要生物继续繁荣。公众意识活动也可以教育社区关于bivalves（双壳类）在维护健康生态系统和经济方面的重要性。 总之，bivalves（双壳类）是非凡的生物，对生态平衡和人类生计贡献显著。理解它们在环境中的角色可以激励我们采取行动保护它们。面对气候变化和环境退化的挑战，我们必须倡导可持续的做法，以保护bivalves（双壳类）及其栖息地。通过这样做，我们可以确保未来几代人也能欣赏到这些独特海洋动物的美丽和重要性。