Principium
n. 原理, 基本原理
🗣️ 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？
I ought to be patient.
我应该要有耐心。
'The fire broke out in the basement.I went down immediately,of course,
“地下室突然着火，我当然马上下去了。