- axial bond
- 垂直: perpendicular; vertical; squ ...
- 向: direction
- 键: key
- 键: 名词1.[机械工程] (使轴与齿轮、皮带轮等连接并固定在一起的零件) key 轴键 shaft key2.[书面语] (插门的金属棍子) bolt (of a door)3.(琴、打字机或其他机器上, 使用时按动的部分) key (of a typewriter, piano, etc.) 按钢琴的键 press the keys of a piano; 轻击打字机的键 tap the keys of a typewriter4.[化学] (在化学结构式中表示元素原子价的短横线) bond 共价键 covalent bond
- 向: Ⅰ名词1.(方向) direction 风向 wind direction; 不知去向 do not know where (he; it) went; be nowhere to be found; 人心所向 (the trend of) popular sentiment2.[书面语] (朝北的窗子) the window facing north3.(姓氏) a surname 向秀 xiang xiuⅡ动词1.(对着) face; turn towards 向日葵向着太阳。 the sunflower turns towards the sun. 这间房子向东。 this room faces east.2.(偏袒) take sb.'s part; side with; be partial to 向理不向人 stand by what is right, not by a particular person; side with whoever is right; 你老是向着他。 you always take his side.Ⅲ介词(表示动作的方向) towards 从胜利走向胜利 march from victory to victory; 向上级汇报工作 report to one's superior on one's work; 向外国教师学习英语 learn english from [with; under] a foreign teacher; 向纵深发展 develop in depth; 向广大客商提供优良服务 provide clients with excellent service; 地球由西向东旋转。 the earth turns round from west to east.Ⅳ副词(向来) always; all along 向无此例。there's no precedent for this
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