Extensiometer
延伸仪
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
We want it to stay down the hole until we can lead it off in a controlled manner.
我们要让石油留在井下，直到我们能用一种有控制的方法把它引上来为止。