This scarcity is inevitable in less developed countries.这一匮乏在欠发达国家不可避免。The scarcity of skilled workers is worrying the government.熟练工人的缺乏困扰着政府。In South Asia, the Himalayan glaciers could retreat causing water scarcity.在南...
回形引伸计的激励电压由商售的通用电源装置 ( 信号调制器 ) 来提供.Clip - gage excitation was supplied by a commercially available power supply ( signal conditioner ).集成光学中, 有源器件包括光源 、 调制器和探测器.In integrated optics , these components include light sourc...
Failure is never quite so frightening as regret do.比失败更令人恐惧的是懊悔。He plays some passages so slowly that they become lugubrious.有些段落他演奏得异常徐缓，听上去有些忧伤。Fresh fruits and vegetables are important and so is bran.新鲜的水果和蔬菜很重要，麦麸也是。...