Heightening
v. 升高（heighten的ing形式）
✅ 同义词
🗣️ 情景例句
I really like this one Susan. Do you?
Susan我真的很喜欢这一件，你呢？
So-so.
马马虎虎。
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。