这种蠕虫，属于秀丽隐杆线虫类，身长为1毫米，其透明的身体只有一千个细胞。

The worms - from the species Caenorhabditis elegans - are 1mm long, with just a thousand cells in their transparent bodies.

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多种相关的细长软体小动物，特别是环虫类、毛颚类、线虫类和扁形虫类；也包括许多昆虫的幼虫。

Any of numerous relatively small elongated soft-bodied animals especially of the phyla annelida and chaetognatha and nematoda and nemertea and platyhelminthes; also many insect larvae.

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“控制热量”从线虫类动物到哺乳动物（包括人类）的一切生物都起作用，这在整个行业中已经众所皆知。

“Caloric restriction”, as it is known in the trade, works for everything from threadworms to mammals (people included, as far as can be ascertained without the luxury of controlled experiments).

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如果你向地下挖掘大约2.2英里(3.5公里)，你就可能会遇到Halicephalobusmephisto(“魔鬼”，以下译为“魔鬼线虫”)和它的线虫类亲戚。

If you were to dig down about 2.2 miles, you might encounter Halicephalobus mephisto (" mephisto ") and its other nematode relatives.

youdao

如果你向地下挖掘大约2.2英里(3.5公里)，你就可能会遇到Halicephalobusmephisto(“魔鬼”，以下译为“魔鬼线虫”)和它的线虫类亲戚。

If you were to dig down about 2.2 miles, you might encounter Halicephalobus mephisto (" mephisto ") and its other nematode relatives.

youdao