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....
All girders shipped by rail were arranged on a flatbed rail car.由火车装运的所有主梁都安放在平板火车车皮上.Couples are breaking up a four - thousand - year - old Peruvian vase shipped UPS.夫妻感情的破裂,就象 四千年 的秘鲁古瓷花瓶被UPS快递后的结果,无法弥合.Shrimp are rais...