Boleite
[机] 铜铅矿
🗣️ 情景例句
that this interview could be an important experience for you.
这次面谈是一次很好的经验。
He who has done ill once will do it again.
干了一次坏事的人会再干第二次。
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。