Priniple
[机] 原理, 原则
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
She conducted herself well.
她行为端正。
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。