Invation
n. 侵入, 侵略, 侵犯
🗣️ 情景例句
All right!
好了！
I'm sorry I'm late. I overslept again.
抱歉我来晚了。我又睡过头了。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）