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....
Genesis recorded a song which took a swipe at greedy property developers who bought up and demolished people's homes...吉妮西丝录制了一首歌来抨击那些买下并毁坏人们家园的贪婪的房地产开发商。Think out how to write melody to the song.学生思考如何为这首歌谱曲.The so...
I have planned the whole thing to the smallest detail.我已经把整个事情连最小的细节都计划好了。The smallest thing sets him off, and he can't stop talking about his childhood.一件微不足道的小事都能打开他的话匣子，他会滔滔不绝地讲述他的童年。The Cocker Spaniel is the sma...