He suffered torments from his aching teeth.他牙痛得难受.The aching hollowness in sleight of hand.还有我灵巧戏法背后阵阵作痛的空虚.She sat through lessons aching for playtime to come.她心不在焉地听课,渴望着快点下课.She continued massaging her right foot, whi...
沉降池中的废水中加入了消毒剂，以消灭所有有害微生物。Effluent from the sedimentation tank is dosed with disinfectant to kill any harmful organisms.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Techniques for controlling particulates include filtering, washing...
在底片上把图像上部的这个不重要的细节涂抹掉.Block out this unimportant detail at the top of your picture.光对底片发生作用从而产生照片.Photographs are produced by the action of light on film.你拍过几张底片了?How many exposures have you made?...