Bist
n. 阿拉伯学者
🗣️ 情景例句
Wrap him in the blanket, Dad!
用毯子把他裹好， 爸爸！
If he doesn't tell him, I will.
如果他不，我将告诉他。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）