或许这个过程应正确地称为氟化.Perhaps the process should rightly be called fluoridation.异氰酸酯可由含氯的环(或非环)状分子氟化而得.The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.在氟化过程中需要用一架 大功率 的电磁搅拌器.A heavy...
A breeze sighed in the higher boughs.微风在高高的树枝上叹息着.The green boughs glittered with all their pearls of dew.绿枝上闪烁着露珠的光彩.The lights were charmingly disposed in coloured - paper lamps, high up among green boughs.烛光都安在红绿颜色纸糊成...
隔离物应该在钢瓶阀门下面,从控制板顶部伸出来18英寸.This partition should extend from the top of the panel to 18 inches below the cylinder valve.现在大多数办公室内的办公桌均有隔离物隔开, 这样人们的确有点隐秘感.Now in most offices there are partitions between desks, so people ...
In several respects they are also relevant to seedling orchards.在某些方面它们也涉及到实生种子园.Apple orchards comprised mainly of standard trees on semi - vigorous or vigorous rootstocks.苹果园主要由半乔化或乔化砧上的乔化树组成.In 1978, the farm's h...
The lucky baby is in fact a girl as Destiny Flores, now aged two.这个幸运的婴儿其实是个女孩儿,她名叫黛丝特尼弗洛斯, 今年两岁.On Flores, the only sizable predators were the Komodo dragon and another, even larger monitor lizard.弗洛瑞斯岛上, 体型大的猎食兽只有科摩多龙,...
He picked up the sheets of paper, and balled them tightly in his fists...他抓起那几张纸，在手里紧紧攥成团。I picked up the balled socks.我把卷成团的袜子拾掇起来。Brian's face balled up like a fist.布赖恩的脸鼓得像个拳头。She balled the handkerchief up and t...