Requirements: Valve must be tight against reverse flow under all pressure differentials.要求: 在所有压差下,阀门对于回流的密封必须紧密.Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.侦探们犯了难，半岛上各...
It is better to stretch the tight muscles first.最好先伸展一下僵硬的肌肉。She walked off the plane in a miniskirt and tight top.她身穿迷你裙和紧身上衣走下了飞机。He held on tight but she prised it from his fingers.他抓得很紧，但她还是掰开他的手，把它拿走了。...
His chief political baggage consisted of a violent antiracism.他的主要政治理论是强烈的反种族主义.Several of the delays were caused by the new high-tech baggage system.几次延误都是由新的高科技行李传送系统造成的。Most of our flights have a baggage allowance of ...
毒瘾仍然是个有些忌讳的话题。The topic of addiction remains something of a taboo.得了痢疾忌讳吃生冷油腻食物.People suffering from dysentery must avoid raw , cold or greasy food.他忌讳人家叫他的外号.He resents being called by his nickname....
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...