paramecium

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数据源: ai_enrichment
草履虫是一种单细胞原生动物,属于草履虫属,常见于淡水环境中,因其形状类似草鞋而得名。

用法要点

句型搭配

通常用作可数名词,在句子中作主语或宾语,描述生物学特征或实验对象。

• The paramecium moves using cilia.
• We observed a paramecium under the microscope.

介词用法

常与介词'in'连用表示环境,如'in freshwater';与'under'连用表示观察条件,如'under a microscope'。

• Paramecia thrive in freshwater ponds.
• Study the paramecium under high magnification.

语域说明

主要用于生物学、教育或科研语境,属于学术词汇,日常对话中较少使用,除非讨论科学话题。

• In biology class, we learned about paramecium reproduction.
• The research focuses on paramecium genetics.

基础例句

In science class today, we looked at a paramecium through the microscope.

今天的科学课上,我们用显微镜观察了一只草履虫。

My son is fascinated by how the paramecium moves in the water.

我儿子对草履虫在水中的移动方式非常着迷。

We need to add some food to the tank to keep the paramecia alive.

我们需要往水箱里加些食物来维持草履虫的生存。

Can you draw a picture of the paramecium you saw in the lab?

你能画一下在实验室看到的草履虫吗?

高级例句

The research paper analyzes the genetic mutations in paramecium under environmental stress.

这篇研究论文分析了环境压力下草履虫的基因突变。

In the biology conference, Dr. Smith presented findings on paramecium symbiosis with bacteria.

在生物学会议上,史密斯博士展示了关于草履虫与细菌共生关系的研究结果。

The laboratory manual details protocols for culturing paramecia for experimental use.

实验室手册详细说明了培养草履虫用于实验的操作规程。

Our team is investigating the role of paramecium in freshwater ecosystem dynamics.

我们团队正在研究草履虫在淡水生态系统动态中的作用。

高频搭配

verb

observe a parameciumstudy parameciacultivate parameciaexamine the parameciumfeed paramecia

adjective

freshwater parameciummicroscopic parameciumsingle-celled parameciumcommon parameciumliving paramecium

noun

paramecium cellparamecium speciesparamecium cultureparamecium movementparamecium structure

adverb

closely observe parameciaeasily cultivate parameciarapidly reproduce paramecia

preposition

paramecium in waterparamecium under microscopeparamecium with cilia

phrase

a species of parameciumthe behavior of parameciathe life cycle of paramecium

常见错误

❌ 错误:I saw a paramecium on the pond.
✓ 正确:I saw a paramecium in the pond.

错误使用了介词'on',草履虫生活在水中,应用'in'表示在内部环境。

❌ 错误:The paramecium are moving quickly.
✓ 正确:The paramecium is moving quickly.

错误使用了复数动词,'paramecium'作为单数名词时,动词应用单数形式,复数形式为'paramecia'。

近义词辨析

protozoan

'protozoan'是更广泛的类别,指所有单细胞原生动物,而'paramecium'特指草履虫属的一种。

Amoeba is another type of protozoan, but paramecium has a distinct slipper shape.

microorganism

'microorganism'泛指所有微小生物,包括细菌、真菌等,而'paramecium'是其中一种具体的原生动物。

Bacteria and paramecium are both microorganisms, but they differ in cellular structure.