The pump exhaust should lead to the open air or a fume hood.抽气泵的排气管应该导向室外空旷处或导向一座通风橱.She was in a fume of impatience because she had to wait for the others.为了必须等别人,她非常不耐烦.Place the apparatus in a fume cupboard and cool t...
Since then, Wellcome has been scaling up production to prepare for clinical trials.从那以后，威康公司一直在增加产量，为临床试验作准备。...the trials and tribulations of everyday life.日常生活的磨炼与艰难livable trials and tribulations.可忍受的考验及磨难Taft grumble...