I ate three worms on Wednesday.
星期三，我吃了三条虫子。
On Wednesday, I ate three worms.
星期三，我吃了三条虫子。
The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.
研究还表明，这种化合物可以有效作用于三种引起人类感染的主要血吸虫种。
Lymphatic filariasis is caused by infection with nematodes (round worms) of the family Filariodidea. There are three types of these thread-like filarial worms.
淋巴丝虫病的发病是因感染丝虫目线虫(圆形)引起。
First, this paper introduces three basic worms propagation models and analyzes four situations after the introduction of benign worm.
首先介绍三个基本的蠕虫传播模型，分析了引入良性蠕虫后的四种情况。
The study also showed that the compound was active against all three major kinds of Schistosoma worms that infect human beings.
研究同样发现，这种化合物还能有效抑制感染人类的三种主要血吸虫。
It was also found to delay the ageing process when used experimentally with three sets of lower organisms: yeast, nematode worms and fruit flies.
人们还发现在对三种低等有机物，即酵母菌、线虫和果蝇进行试验使用时它还可以延缓其衰老的过程。
Of the 25 aging-related genes they found in both worms and yeast, only three had been previously thought to be conserved across many organisms.
而在蠕虫和酵母中找到的25个与老化相关的基因中，只有3个基因是早先被认为在许多有机体的具保守性的。
Of the 25 aging-related genes they found in both worms and yeast, only three had been previously thought to be conserved across many organisms.
而在蠕虫和酵母中找到的25个与老化相关的基因中，只有3个基因是早先被认为在许多有机体的具保守性的。
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