Polystyrene - supported N - benzyl - N - alkyl - aminopyridine was prepared through chloromethylated polystyrene treated with 4 - aminopyridine and alkylation agents.本文以聚苯乙烯氯球为原料,通过与 4- 氨基吡啶及烷基化试剂反应,制成聚苯乙烯支载N - 烷基-N-苄基氨基...
医院的工作人员都在外面一边挥动旗子一边鼓掌欢迎他。Hospital staff were outside to welcome him, waving flags and applauding.约翰挥动着一片纸,怒气冲冲地走进会场.John stormed into the meeting waving a piece of paper about.他挥动着斧子一下就把门劈开了.He swung the axe and with one...
The horse was reeking with sweat.那匹马满身汗水.I won't have you reeking with sweat in my bed!我就不许你混身臭汗,臭烘烘的上我的炕!That is a novel reeking with sentimentalism.那是一本充满着感伤主义的小说.In spite of the open windows the stench had become...
那位音乐家把这个老曲子配上和音使其成为合唱曲.The musician harmonized the old song for part singing.这些歌唱家已为这些新歌配上和音使其成为合唱曲.The singers began to harmonize the new songs.这是最好的合唱曲.This is choral music of the first water....