生命起源的确切详情仍是个谜。The precise details of the origins of life remain hidden.关于生命起源的学说有很多.There are many theories about the origin of life.生命是怎样起源的?How did life begin?...
那个既是车工又是钳工的人不到25岁.The turner and fitter is under twenty - five.我是有经验的修车工.I'm an experienced mechanic.你在两元券上看到的是一位车工在操作一台卧式车床.Then on the two yuan, you can see a turner running a bed type machine lathe....
她撞到书桌上,受了瘀伤.She bruised herself against the desk.我的脸上全是瘀伤，肋骨还断了一根。My face was covered with bruises and I had a broken rib.他脚杆骨撞到椅子而受瘀伤.He bruised his shin knocking against the chair....