动态: 1.(事物发展情况) trends; general trend of affairs; tendencies; probable cause of action; developments 短语和例子国际新动态 the new developments in international affairs; 油井动态 behaviour of an oil well; 海湾战
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 短语和例子轴键 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.) 短语和例子按钢琴的键 press the keys of a piano;