一种胶体,就其整体而言可认为不带净电荷.A sol considered as a whole cannot have a net charge.照像材料含有亲水胶体的感蓝卤化银卤剂层.The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.胶体的弹性性质可能随着它的寿命而变化的.The e...
drop in的近义词有：call on, see, visit, drop in。下面这些动词或词组均含有"拜访，访问"的含义：call on：社交上的正式用语，指无目的、礼节性的短暂拜访，访问者与被访问者之间一般只有社交或公务关系。see：常用词，含义广泛，既可指接受他人来访，又可指去访问他人。visit：正式用词，强调出于工作需要的访问，也指亲戚朋友间的看望。drop in：多指在计划之外或事先未打招呼的偶然、顺便访问。也可指参观...
“ 狼不是亡命徒, 而是恶棍!" The wolf is not a desperado, but a scoundrel. "山里面的亡命徒经常叫嚣着冲出山来洗劫这座小镇.Desperadoes from the hills regularly roared in to take over the town.狼不是亡命徒, 而是恶棍!This wolf is not a desperado, but a scoundrel....
The crowd pelted the mayor with angry questions.那群人用愤怒的质问围攻市长。We pelted our friends with snowballs.我们朝朋友扔雪球。The children pelted him with snowballs.孩子们向他投掷雪球。Without thinking, she pelted down the stairs in her nightgown.她...
Just a stone's throw away is the City Art Gallery.不远处就是市美术馆。Your life is too valuable to throw away.你的生命非常宝贵，不要随便浪费。I'm not advising you to throw away your makeup or forget about your appearance.我不是建议你扔掉化妆品，或者不...