Principium
n. 原理, 基本原理
🗣️ 情景例句
That's OK.
不去不要紧。
Bill was very jumpy as he waited for the phone to ring.
贝尔忐忑不安地等着电话来。
Great! Could you bring it to school tomorrow?
好极了！你明天能把它带到学校来吗？