Pile driver
[机] 打椿机
🧩 词语组成解析
🗣️ 情景例句
I think that you're very successful
我认为你事业有成
It won't take much time.
不会花很长时间的。
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。