The Archaean and Katarchaean units are preserved mainly as relic masses.太古界与远太古界主要作为残余体保存下来.This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.该类矿床的成矿时代多集中在晚太古代末至早元古代初期,并且具有全球性.Archaean...
战争以对巴格达和科威特的夜间空袭开始。The war began with overnight air raids on Baghdad and Kuwait.这些车座的特点是带有在夜间可视的反光镶边。The saddles feature a reflective trim for night time visibility.夜间可以用两块尿布来增强吸水性。You can use two nappies for extra absor...
他把鞋袜一扒, 光着脚趟水.Taking off his shoes and socks , he waded across barefoot.桥被冲走了,我们不得不趟水过溪.The bridge was washed away and we had to wade the stream.我们到浅水处去趟水.We went for a wade in the shallows....
尿液是无菌的。Urine is sterile.手术室应该是个无菌的环境.An operating theatre should be a sterile environment.生长中的胎儿是处于无菌的羊水中,羊水能避免碰撞和病菌.A developing baby floats in sterile amniotic fluid , protected from bumps — and bugs....