🗣️ 情景例句
but when I received the letter
但是当我收到那封信
I suppose I can finish the project next year.
我想我明年完成此工程。
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。