Underwing
n. 后翅, 后翅色彩瑰丽的蛾
🗣️ 情景例句
I'll help too, Mr. Baker.
我也要帮忙，Baker先生。
How long have you studied English?
你学英语多久了？
is the slowest and has travelled round the earth through the surface rocks.
是最慢的，是围绕地球通过表面岩石传来的。