Let's do a dry run of the commercial again.

让我们再做一次商业广告的彩排。

Let ' s do a dry run of the commercial again.

让我们再做一次商业广告的彩排.

Dummy is a marvelous option for doing a dry run before risking an actual disk.

dummy是一个了不起的选项，可以用它来先进行一次“排练”，然后在实际的盘上冒险。

Practicing a fire alarm drill similar to those done in school is a smart way to give kids a dry run of what should occur if the fire alarm goes off

提前在家里让孩子们进行火警演练，就像在学校里那样，这样做是非常明智的。