Machmeter
n. 马赫计
🗣️ 情景例句
Is it true that it's full of wonders there?
那里充满了奇异的景观，是真的吗？
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
It looks as if she's gone away for a few days.
好象她要外出好几天了。