吸管狂魔
弹性，塑性，韧性Elasticity, plasticity, toughness弹性，塑性，韧性Elasticity, plasticity, toughness
小夜公主
五金 [词典] hardware; metals; the five metals; alloy; ironware; [例句]五金店内水泵和防水油布已经卖光了。Hardware stores have sold out of water pumps and tarpaulins
优质英语培训问答知识库
