尿液是无菌的。Urine is sterile.这个盖子严实地盖在奶瓶上,保持奶嘴无菌.This top fits over the bottle and keeps the teat sterile.手术室应该是个无菌的环境.An operating theatre should be a sterile environment....
A flight of stone steps leads to the terrace.一段石阶通向露台。Nervously clutching our glasses of chilled wine, we gathered on the terrace.我们聚集在露台上,手里紧张地握着盛有冰镇葡萄酒的酒杯.Single room in lovely flat, roof terrace, non-smoking prof., wo...
After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作.The prompt administration of diphtheria antitoxi...
There are currently 70 state medical boards authorized to regulate allopathic and osteopathic physicians.大约有70个州医学委员会被授权规范对抗疗法和正骨疗法的医生.It has been authorized by another legal norm of a higher rank.它已经得到另一条最高层次的法律规范的认可.Ni...
人们期盼着更快的变化, 但不太可能.A swift change is longed for, but unlikely.热空气可使之在超过临界马赫数之前达到更快的速度。The hot air permitted higher speeds before the critical Mach number was exceeded.某些病毒的生长可以被生长更快的病毒所掩蔽.The growth of certain viruses is ...