他们是一球形 、 环形或锥形的一部分.They are portions of a sphere, a torus or a cone.可以认为锥形的自由基比较活泼.It is argued that the pyramidal radical would be more reactive.并且锥体和锥形圈可以是双锥形的.Both the conic ring and the cone may be double ones....
The lighthouse beam was quite distinct in the gathering dusk.灯塔的光束在渐浓的暮色中清晰可见。Dusk was deepening as they drove back to the lights of Shillingham.他们驱车返回华灯初上的希灵汉姆时，暮色渐浓。As the dusk shaded into night, we drove slowly throug...
所有构件都用空心陶土砖做基本原料.All the units employ hollow burned - clay blocks as the basic raw material.核反应堆的核心构件必须从压力罩中取出来。The guts of the reactor have to be hauled out of the pressure vessel.他在发动机, 传动,机械构件方面搞了一些革新.He was an innova...
She behaves as if she has something on her conscience.她好像做了什么亏心事.She behaves with decorum.她举止端庄有礼.He never behaves honestly, nor wisely.他的行为既不诚实, 也不聪明....
在教室,教师可以拥有其他电化教具.The teacher in the classroom will have additional electronic tools.胶粘剂之所以能转印电化铝,是因为电化铝最外层由胶层构成.Adhesive transfer anodized occurs because anodized outermost layer of the gum.电化铝箔运输速率与不松度不妥也会爆发这栽障碍.Speed, ...