P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....
They are all good typists but Maria is the pick of the bunch.她们都是打字好手,但玛丽亚是她们中最好的.Teams of typists transcribed the audio tapes to produce computerised database of ten million words.声音录入组将磁带转录成一千万字的电脑数据库....
I want a pair of wrist protectors and two pairs of kneepad.我要一副护腕和两副护膝.The user must put on the helmet, palm and elbow and kneepad.使用者比须穿带安全帽, 护掌护肘护膝....
Wonderfully melodic and tuneful, his songs have made me weep.他的歌旋律优美、悦耳动听，让我潸然泪下。There’s wonderfully lyrical flute solo in the middle of this symphony.在交响乐中间有一段奇妙的抒情长笛独奏。...a wonderfully fragrant wine which has no rivals...
胜利促使他给罗斯福发了封喜报。The victory inspired him to dispatch a gleeful telegram to Roosevelt.对这个坏消息，罗斯福毫不理会。Roosevelt was defiant in the face of the bad news.罗斯福偶尔会试图避开他。Roosevelt occasionally attempted to circumvent him....