这些障碍物对于想要往上游游动的鱼儿来说是致命的。The barriers are lethal to fish trying to swim upstream.他在那里有一栋房子，但在河上游几英里处。He has a house down there but it's miles up river.上游的城市将污水排放到河里。Cities upstream use the river to get rid of sewage....
不停搅动猪肉，直到它全部变白为止。Stir the pork about until it turns white all the way through.她的手握得越来越紧，指节都变白了。Her knuckles whiten as she clenches her hands harder.头发变白并不一定等于变老了。Going grey is not necessarily synonymous with growing old....
这钻机有变速控制。The drill has variable speed control.该装置本身就在车子正下方，几乎与变速杆处于同一直线上。The device itself was right under the vehicle, almost in line with the gear lever.你拐角时要换挡变速.You have to shift as you drive around the corner....
The apical membrane of the epithelial cells is apparently essential.上皮细胞的顶膜显然是必要的.Nothing but a great many epithelial cells was observed in the stain.染片中只观察到有大量的上皮细胞.Epithelial tissue occurs most commonly in sheets.上皮组织通...
其特点包括指出,拱, 肋跳马和飞行支墩.Its characteristic features include the pointed arch, the ribbed vault and the flying buttress.主拱肋施工是大跨度钢管混凝土拱桥施工的关键环节.Arch rib is the key point during the process of the long - span concrete - tube a...
如果草率施行，该法律将会阻滞高质量研究的进展。The law could arrest the development of good research if applied prematurely.国王被诬陷施行妖术。The King was unjustly accused of practising the black arts.那婴儿是施行剖宫产手术出生的。The baby was born by Caesarean secti...