单词 | 开合 |
释义 | 〔bivalve〕A mollusk, such as an oyster or a clam, that has a shell consisting of two hinged valves.双壳类:一种软体动物,如牡蛎或蛤,有由两个开合的瓣组成贝壳的动物〔vise〕A clamping device of metal or wood, usually consisting of two jaws closed or opened by a screw or lever, used in carpentry or metalworking to hold a piece in position.虎钳:由金属或木头做成的钳夹工具,通常由两个靠螺旋或标杆进行开合的部件组成,用于木工业或五金业中使物件定位〔bivalve〕Having a shell consisting of two hinged valves.双瓣壳的:有由两个开合的瓣组成贝壳的 |
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