Taper turning
[机] 推拔车削
🧩 词语组成解析
taper
['tepɚ]
vt.& vi. 逐渐变细，变尖;逐渐减弱;
n. 细蜡烛;灯芯;锥形物;
🗣️ 情景例句
Congratulations!
恭喜你
What's your favorite food?
你最喜欢的食物是什么？
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。