youdao

该实验室有两个矩阵，可测试40个无线电。

The laboratory has two matrices capable of testing 40 radios.

youdao

很快，该实验室制造出持续40小时的碳丝灯泡。

Soon, the lab got a carbon-filament bulb to last 40 hours.

youdao

I've got here lots of flyers given to me by the director of the laboratories which will tell you which lab is the right lab for you, and they're offered many times a week. Yes?

我这里有不少小手册,实验室负责人给我的,它能告诉你该去哪个实验室,实验室在一周中很多个时间段是开放的,你说

耶鲁公开课 - 基础物理课程节选