变厚的动脉壁使流通血液的管腔变细.The thickened artery wall narrows the channel through which the blood flows.那支旗竿逐渐变细成尖头.The flagpole tapered off to a point.向上变细的水道可以出现在好多种环境中, 从海底峡谷到冲积扇.Upward - fining channels may occur in a wide rang...
这就像是一种化学试剂.It is like a chemical reagent.这种双用试剂把蛋白质分子彼此连接起来.This bifunctional reagent links protein molecules to one another.碳容易被亲核试剂进攻.The carbon should be susceptible to attack by a nucleophilic species....
Reasons of forming first cracks were foundry lacuna, impurity gathering , lard exiting.铸造缺陷 、 杂质元素偏聚和夹杂物的存在是形成早期裂纹源的原因.There was so much very deep lacuna in his crude big hands.粗糙的大手上一道道很深的裂口.Objective To investigate the...
Birmingham's International Convention Centre is the venue for a three-day arts festival...为期3天的艺术节在伯明翰的国际会议中心举办。He told them that no venue had yet been definitely decided.他告诉他们还没有确定下场地。The hallowed turf of Twickenha...