对于紫外区通常用毫微米这一名词.For ultraviolet, nanometer is a preferred term.肌纤维膜厚约7.5毫微米,同包裹着其它细胞的壁一样, 是一层单位膜.The sarcolemma, about 7.5 nm thick , is a unit - membrane like that investing other cells.毫微米十亿分之一米 ( 10 - 9 )One billionth...
How very thoughtless. I'll give him a piece of my mind.真是太没头脑了，我要告诉他我很生气。It was thoughtless of her to mention it.她提起这事有些欠考虑。It was just a thoughtless remark.那不过是一句欠考虑的话。...
在匀强电场中, 电力线是平行的直线, 其间隔是均匀的.In an uniform field, the lines of force are straight parallel, and uniformly spaced.它本身是绝缘体,其导热能力优于铜,并能承受极高的强电场.It is insulator but its thermal conductivity is better than Cu.研究压电弯曲执行器在强电场作用下的非...
His face was wreathed in smiles.他满脸笑容。The girls watched, little teasing smiles animating their faces.女孩们注视着，脸上挂着调皮的微笑，显得愈加活泼。His expression is as earnest when he smiles as when he is arguing...他不论笑的时候还是争论的时候表情都同样真诚。My bo...