它们需要一个启动和运行的环境。

They require an environment in which to start and operate.

youdao

世界粮食计划署官员说，该地区现有的粮食储备已经耗尽，将启动紧急行动把小麦和土豆运到该地区。

WFP officials say existing food stocks in the area are exhausted and an emergency effort will be launched to bring wheat and potatoes into the area.

youdao

启动 Squeak，单击工具（Tools），拖拽一个工作空间（workspace）和抄本（transcript）窗口到桌面。

Start Squeak, click Tools, then drag a workspace and transcript window onto your desktop.

youdao

It might be a plasmid that contains a promoter that works in lung cells and that has the cystic fibrosis gene.

这个质粒带有,可以在肺细胞表达的启动子和正常基因

耶鲁公开课 - 生物医学工程探索课程节选

We sense food coming in, that sets into gear a series of metabolic and biological processes that are very interesting, and then of course once the food gets in the body it does lots of interesting things-- some good things and some bad things.

美食当前,食指大动,身体从而启动一系列新陈代谢过程,和有趣的生物过程,而且,当食物进入身体,它就产生许多有趣的效应,这些效应有好有坏

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选