The boy was Capering dersively, with obscene unambiguous gestures, before a party of English tourists.这个顽童在一群英国旅游客人面前用明显下流的动作可笑地蹦蹦跳跳着.They were capering about, shouting and laughing.他们欢呼雀跃，放声大笑。The lambs were capering in...
Biotechnology in Health Care another 11 approvals were granted for expanded uses of existing biotech medicines.另外批准的11项旨在扩大现有生物技术药物的用途.Still, the number of new drug approvals has fallen near historic lows.但通过的新药数量还是逼近了历史...
Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯.Diisopropyl phosphite was directly synthesized from phosphoru...