Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛.There a...
相片给素色的墙面增添了一抹情趣。Pictures add interest to plain painted walls.靠垫给房间添了一抹亮色,不然房间看上去可能太素净了。The cushions add a touch of colour in a room that might otherwise look severe.他们订购了一些绿色植物,以给盖伊医院的新配楼增添一抹亮色。They have ordered a bit of...
The students wrangled aBout who should sit in front.同学们为了谁坐在前面而争吵不休.They wrangled over what to do next.他们就接下来该干什么而争吵.They wrangled and rowed with other passengers.他们与其他旅客争辨吵闹.It was available at a moment's notice, p...
They've got him doped to the eyeballs.他们给他服用了大量毒品。There were sharp pains pulsing behind his eyeballs.他的眼球后面有阵阵剧痛.He is out of a job and up to his eyeballs in debt.他失业了,而且债台高筑。...
Israel preferred to be raped than to make a decision of its own accord.以色列宁愿接受强迫而不愿自行决定.The government expected a temporary accord with the Opposition before the end of the year.政府期望年底以前和反对党达成临时协议。He did not quit as Fran...