Some galleries commemorate donors by inscribing their names on the walls.一些美术馆把捐赠者的姓名镌刻在墙上以示纪念。We commemorate the founding of our nation with a public holiday.我们放假一日以庆祝国庆.This building was built to commemorate the Fire o...
研究人员意识到，可调谐激光束也许可以用在外科手术中。Researchers realised that a tunable laser beam might be useful in surgery.紫翠宝石激光器是迄今为止较好的固体可调谐激光器之一.Alexandrite laser is one of the superior tunable solid - lasers.激发源为闪光灯泵可调谐若丹明染科激光器.The excita...