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....
她穿的那件轻薄的粉红色连衣裙在身后飘舞。She was wearing a flimsy pink dress that streamed out behind her.他把其他的摩托车手甩在身后。He left a host of other riders trailing in his slipstream.他双手紧扣，背在身后，在走廊里踱来踱去。He paced the corridor, hands clasped behind...
joyful的反义词有：sorrowful, sad, grievous, grievous, sorrowful, sad。adj.joyful的反义词（欢喜的）：sorrowful, sad, grievous。joyful的反义词（其他释义）：grievous, sorrowful, sad。...