Flattenings
(flattening 的复数) n. 整平；扁率；压扁作用
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
She had to keep out of sight when her husband was holding a meet.
她在丈夫举行会议时只得避不露面。
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。