He ordered them to stack up pillows behind his back.他命令他们把几个枕头叠放在自己的背后。She is comfortably cocooned in pillows.她舒适地窝在枕头里。She buried her face in the pillows .她把脸埋进枕头里。...
总统一职似乎正在沦为政治上的摆设。The presidency is beginning to appear a political irrelevance.该国在政治上取得了巨大的发展，但经济却跟不上去。The country has made enormous strides politically but not economically.无论从经济上还是政治上来看，这件事来得都太不是时候了。Economically and po...
黄铁矿很多,并且含钴,在硫化物块体中成稠密的斑块.Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.喷气发动机中65%的特殊耐热金属材料是用钴制造的.Sixty - five percent of the special heat resistant metal in a jet engine is made...
Tapping screw wears well, the first choice of installing WPC.自功螺丝经久耐用, 是安装塑木型材的首选.Operations, such as reaming and tapping, are also classified as drilling.绞孔和攻丝也归类于钻孔.I woke up in the middle of the night and could hear a...