单词	crystals
释义	@@@LINK=crystal
随便看	ATBM at bottom at business ATC ATCA at call at capacity at choice atchoo at church at close quarters at close range at concert pitch at cost at court ATD at daggers drawn at danger at dark at dawn at daybreak at dead of night at death's door at discretion ATDM 行政领导行政首长负责制行散行文行文关系行文制度行文方向行文规则行方便行旅 период-герц период-герц периодизатор периодизатор периодизация периодизация периодика периодика периодический периодический