the expansion and contraction of the metal金属的膨胀与收缩Contraction of the timbers left gaps in the fence.木料收缩,结果围墙露出缝来.The forces of expansion are balanced by forces of contraction.扩张力和收缩力相互平衡....
她已经戒了毒，并且认识到了生命可贵。She's kicked her drug habit and learned that her life has value.他认为婴儿几乎就是毫无生命的物体。He thought of the baby almost as an inanimate object.他星期五逃走了，说是担心自己有生命危险。He fled on Friday, saying he feared for his...
胆绞痛的疼痛有时出现在上腹.The pain of biliary colic is occasionally in the epigastrium.绞痛. 可表现出剧烈胆绞痛,伴恶心、呕吐.Colic. There may be severe biliary colic with nausea and vomiting....