🗣️ 情景例句
I feel sick as a dog.
我病得很厉害。
We are in the same boat, we both failed the exam.
我们都一样，考试都没及格。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。