| 释义 |
键jiàn
1.使轴与齿轮、皮带轮等连接并固定在一起的零件,一般是用钢制的长方块,装在被连接的两个机件上预先制成的键槽中。{key; a device, usu. a rectangular steel piece, inserted in prefabricated grooves to lock together mechanical parts, such as shafts and gears or belt pulleys}
2.〈书fml.〉插门的金属棍子。{bolt; metal bar that slides into a socket and is used to fasten doors and gates}
3.某些乐器、打字机或其他机器上,使用时按动的部分{key; button or lever of a musical instrument, typewriter or other machines, to be pressed with the finger}:
琴～{key on a piano, accordion, and other musical instruments}|～盘。{keyboard}
4.在化学结构式中表示元素原子价的短横线。{bond; hyphen(-) representing the valence of an element in a structural formula}€ |