对甘油催化氢解制取1, 2- 丙二醇效果最好的是含铜的催化剂. Copper - containing catalysts are the most suitable catalysts for producing 1, 2 - propanediol through catalytic hydrogenolysis of glycerol.
These injustices embittered her even more.不公平使她更加受苦.Repeated failures embittered him.连续的失败使他很难过.He had turned into an embittered, hardened adult...他已经变成了一个愤世嫉俗、冷酷无情的成年人。When marriages break down children are swept into t...
Cruelty shucks to can ruthless ground the word that people packs meticulously with the euphuism.残酷到能毫不留情地剥去人们用华丽的词藻精心包装的字眼.Terry actually says "Oh, shucks!" when complimented on her singing.人们赞誉她的歌声时，特里实际上会说“噢，没什么!”Terry...
There has been much gnash of teeth over the new legislation.不少人对新法规感到愤愤不平.Judge the gnash teeth in hatred ground say: Judge your 20 years imprisonment specific term!法官咬牙切齿地说: 判你二十年有期徒刑!to gnash your teeth咬牙Your gnash one...