So iron left to own devices in the atmosphere in the presence of a little bit of water, with the water form iron oxide.

铁在大气中，在存在,少量水的条件下，大气会开始与水结合产生氧化铁。

麻省理工公开课 - 热力学与动力学课程节选

So what you get on the plate is many copies of the small number of plasmids that you've put in.

我们只要放入少量质粒,就能在培养基上得到大量的复制品

耶鲁公开课 - 生物医学工程探索课程节选

So, you have to feed the slave all year round to work only a small part of the time, that's not very profitable.

你不得不整年的喂养奴隶,而他们只有少量时间在工作,这是很不划算的

耶鲁公开课 - 古希腊历史简介课程节选

They can reproduce and so you only need to give a few of them in order to make many, many inside the body.

它们能自我复制,所以只需少量病毒,就能在体内产生大量的病毒

耶鲁公开课 - 生物医学工程探索课程节选