他不定期地来探访我们.He visits us at irregular intervals.村民委员会将村务定期或不定期地向村民公开.Villagers'committees regularly or periodically make public the affairs of the village to the villagers.伦敦州管辖范围内有许多站定期地监测大气污染.There was a number of ...
The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动,以保证钻孔平整光滑。The colours rotated round on a disc and were reflected onto the wall behind.圆盘上色彩流转,反射到后面的墙上。To combat this tendency, Carlson rotated his top e...