他失业后,精神非常颓丧.He was down in the dumps after losing his job.战后许多城市到处可见颓垣残壁.After the war many cities were full of rubble.我不忍看到你如此颓丧.I can't endure to see / seeing you so discouraged....
光动力疗法是鲜红斑痣患者最新的治疗选择.Photodynamic therapy is a state - of - the - art option for patients with port wine stains.方法回顾分析1993-2003年我科就诊的730例血管瘤临床资料.结果鲜红斑痣52例占7.Methods A retrospective analysis was made on 730 hemangioma pati...
这类系统正用于产生受控热核聚变反应的探索.Systems of this sort are being used in an effort to produce controlled thermonuclear fusion reactions.你确定你能稳定控制核聚变反应?You're sure you can stabilize the fusion reaction?TEXT托卡马克是用来研究热核聚变的实验装置.J - ...