thallus

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数据源: ai_enrichment
thallus 指某些低等植物(如藻类、真菌)的叶状体或菌体,是未分化为根、茎、叶的简单植物体结构。

用法要点

句型搭配

thallus 通常作为名词使用,在句子中作主语或宾语,描述植物体的形态或特征。

• The thallus of the lichen is flat.
• Scientists study the thallus structure.

介词用法

thallus 常与介词 of 连用,表示所属关系,如 thallus of algae;也可用 in 表示在某种环境中的状态。

• thallus of a fungus
• thallus in aquatic environments

语域说明

thallus 是专业术语,主要用于生物学、植物学、医学等学术领域,日常对话中较少使用。

• thallus morphology in botany
• thallus in medical contexts

基础例句

In biology class, we learned that algae have a thallus instead of roots.

在生物课上,我们学到藻类有叶状体而不是根。

The thallus of this lichen looks like a flat green sheet on the rock.

这种地衣的叶状体看起来像岩石上的一片扁平绿色薄片。

Can you see the thallus under the microscope? It's fascinating!

你能在显微镜下看到叶状体吗?它真迷人!

高级例句

The research paper discusses the thallus morphology of marine algae in relation to environmental factors.

这篇研究论文讨论了海洋藻类叶状体形态与环境因素的关系。

In pharmaceutical studies, the thallus of certain fungi is analyzed for potential medicinal compounds.

在药物研究中,某些真菌的菌体被分析以寻找潜在的药用化合物。

The conference presentation highlighted the adaptive functions of the thallus in lichen symbiosis.

会议演讲强调了地衣共生中叶状体的适应功能。

高频搭配

verb

study the thallusobserve the thallusdescribe the thallusexamine the thallus

adjective

flat thallusgreen thallussimple thalluscomplex thallusfungal thallus

noun

algae thalluslichen thallusthallus structurethallus morphologythallus growth

preposition

thallus ofthallus inthallus onthallus with

phrase

thallus of a plantthallus in biologythallus and its functions

常见错误

❌ 错误:The thallus is a root of the plant.
✓ 正确:The thallus is a simple plant body without roots.

thallus 不是根,而是未分化为根、茎、叶的简单植物体,常见于低等植物如藻类。

❌ 错误:I saw a thallus in the garden tree.
✓ 正确:I saw a thallus on the rock or in the pond.

thallus 通常指低等植物的结构,如地衣或藻类,多生长在岩石、水中等环境,而不是树上。

近义词辨析

plant body

plant body 是更通用的术语,指植物的整体结构,包括根、茎、叶等;而 thallus 特指未分化的简单植物体,如藻类或真菌。

The plant body of a tree includes roots and leaves, but algae have a thallus.

frond

frond 通常指蕨类或棕榈等高等植物的叶状部分,有较复杂结构;thallus 则更简单,用于低等植物,没有真正的叶片分化。

Ferns have fronds, while lichens have a thallus.