Fastly
adv. 快速地
🗣️ 情景例句
Why not?
为什么不能？
A contented mind is perpetual feast.
知足常乐。
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。