🗣️ 情景例句
You don't need to do that.
你不用那么做的。
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。