Local feeling does not necessarily concur with the press.当地人的感受未必与媒体一致。Their success does not necessarily reflect a leftward shift in politics.他们的成功并不一定表示政治气候转向亲左。Going grey is not necessarily synonymous with growing old...
We were tacking fairly close inshore.我们沿着近海岸曲折航行。Our last trip involved a coastal passage, tacking east against wind and current.我们上次旅行时曾经沿着海岸，逆着风浪向东曲折航行。The ship was tacking, trying to make the habour.该船在顶风曲线航行, 力图驶入港口停...
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.The usual thinners are water, ethanol, isopropanol, ethylene ...