You handle them very special in terms of being extra careful in a very high ventilation area, in hoods is how you handle them.

在使用它们的时候你需要格外小心,必须在通风条件非常好的地方，在通风柜中才行。

麻省理工公开课 - 化学原理课程节选

So I just want to use that again and again, starting from that, for various different sorts of conditions andderive the criterion for equilibrium in each set of conditions.

所以我将会一遍又一遍地使用这个公式，从这个公式出发，在各种条件了,推导出,任意条件下的平衡条件。

麻省理工公开课 - 热力学与动力学课程节选

Once you get a formula, you've got to always remember the terms under which the formula was derived.

使用公式时,你一定不能忘记,公式使用的前提条件

耶鲁公开课 - 基础物理课程节选

Right. So this is a great way of like fulfilling the requirements of the problem step but not quite the spirit of using a condition.

好的，这是很好地满足了,解决问题的需求,但是没有使用条件。

哈佛公开课 - 计算机科学课程节选

Leisure does not simply mean rest or inactivity but leisure is necessary for education or what he sometimes calls by the term philosophy.

安逸不单意指休憩或静止不动,安逸是教育的必备条件,或是套用,他有时会使用的词汇－哲学。

耶鲁公开课 - 政治哲学导论课程节选

As an aside, if you ever just have one line of code that you want to execute, one puzzle piece in Scratch terminology, ; you actually don't need the curly braces; you only need the curly braces if you have two or more lines of code that you want to execute if that condition is true.

此外，如果你只有一行代码,需要执行，在Scratch，术语中叫做,一句代码，你就不需要使用花括号了;,如果那个条件成立，你有两行或更多行的代码时需要执行时,你就需要花括号。

哈佛公开课 - 计算机科学课程节选