Hall greeted him jovially enough , but Gorman and Walson scowled as they grunted curt " Good Mornings. "霍尔兴致十足地向他打招呼, 戈曼和沃森却满脸不豫之色,敷衍地咕哝句 “ 早安 ”.'Rubbish,' I grunted...“废话，”我嘟哝了一声。The driver grunted, convinced ...
I got a splinter in my finger while I was sawing the wood.我在锯木头时手指扎了一根刺.He was up a ladder sawing off the tops of his apple trees.他正站在梯子顶上锯他那颗苹果树的树冠。John is sawing.约翰正在锯东西。He escaped by sawing through the bars of his cel...
那寡妇的心过分忧伤.The widow's heart was surcharged with grief.有几个歹徒将寡妇的积蓄劫走了.Some villains robbed the widow of the savings.他的朋友弗朗克和艾默里寡妇的结婚,还是他撮合的.It was he who had made the marriage between his friend Frank and the widow A...
它为制取1.6-二羰基产物开辟了广阔天地.This opens up a wide field of 1.6 - dicarbonyl products.这些部位包括羧基 、 羰基 、 环氧基和氨基等.These sites include, carboxyl, epoxy, amino and the like.对羰基的加成作用是有机化学中最重要的反应之一.Addition to carbonyls is one of the mos...