For foreign holidays you will need a valid passport.出国度假需持有效护照。He recognized the valid points that both sides were making.他认可双方观点中的合理之处。All tickets are valid for two months.所有的票在两个月内有效。...
This woman wore seamed nylons and kept smoothing her skirt.这个女士穿着长筒尼龙缝袜，不停地把裙子弄平整。Baker was smoothing out differences with European allies.贝克正在努力消除同欧洲盟国之间的分歧。She is good at smoothing these little problems out.她善于妥善解决这一类小...
These fragments of wall in London are vestiges of the Roman occupation.这些伦敦的断垣残壁是罗马人占领的遗迹.Under the pressure, the flint crumbled into fragments...燧石在压力的作用下碎成了小块。Then the eDNA fragments were hybridized to the Affymetrix U...
The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。Biofuels can be mixed with conventional fuels.生物燃料可以和传统燃料混合使用。The electricity industry consumes large amounts of fossil fuels.电力工业消耗大量的矿物燃料。...
它还敦促电力照明的有效利用.It is also urges the effective use of electric lighting.独立雾灯起到了辅助照明的作用.Independent fog played a role in the auxiliary lighting.由动物制作的油灯是取暖和照明的佳品.Oil lamps made from animal fat is good for heat and light....
他们过去常买10公斤重的整块牛肉。They used to buy ten kilos of beef in one lump.空气中充满诱人的烤牛肉香味。A tantalising aroma of roast beef fills the air.牛肉现在卖到了每磅30多卢布。Beef now costs well over 30 roubles a pound....