On beaches, keep your camera safe from sand by enveloping it inside a plastic bag.在沙滩上时，将相机用塑料袋包裹起来以防止进沙子。She turned drowsily on her side, a slow creeping blackness enveloping her mind.她半睡半醒地翻了个身, 一片缓缓蠕动的黑暗渐渐将她的心包围起来.On ...
Mammals arose from a fairly primitive reptile in the Mesozoic era.哺乳类起源于中生代宛若原始的爬虫类.Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.丹巴地区自中生代以来经历了多期的变形 、 变质和岩浆作用.The deposi...
他被指控为英国间谍，入狱关押了5年。He was jailed for five years as an alleged British spy.但法律专家们不能肯定这一指控是否成立。But legal experts are not sure if such a charge can stick.她的助手被警方指控犯有盗窃和欺诈罪。Her assistant was accused of theft and fraud by the ...
The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...
Due to carelessness, his head hit the doorframe with a loud bang.他不小心把头撞到了门框上,一声钝响.Mother held on to the doorframe and almost fell.母亲手扶着门框,几乎跌倒.He flushed the bottom of the doorframe.他把门框的底部调到水平状态....
I hear he can swim freestyle, side stroke and breaststroke very well.我听说他自由泳 、 侧泳和蛙泳都游得非常好.Sometimes I use breaststroke, backstroke, and free style.有时游蛙泳 、 仰泳和自由泳.New Breaststroke is a series of loading and unloading of ...