Constrainable
a. constrain的变形
🗣️ 情景例句
my friends were giving me a party,
我的朋友们为我举办了一个派对时，
It takes two to make a quarrel.
要有两个人才吵得起来。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。