Js
abbr. 射流研究
🗣️ 情景例句
Do you own your house or do you rent?
你们自己有房子还是租房子？
It is a great art to laugh at your own misfortune.
对己之不幸付之一笑，这是一门伟大的艺术。
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。