她相貌如此美丽，同时又如此清高不群。She looked so beautiful, and at the same time so remote.她相貌平平，性格懦弱。She was a plain-looking woman with a weak chin.他个头高大、皮肤黝黑、相貌堂堂，像通俗爱情小说的男主角。He was tall, dark and handsome, like a Mills and Boon hero....
an increase in annual precipitation年降水量的增加Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Guitar's experi...