Propellants
出国 Abroadn. 推进剂; 推进物( propellant的复数形式 )
🗣️ 情景例句
No parking.
禁止停车。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！