Spilt acid discolored the floor.泼出的酸弄得地板褪色。He had bad teeth, irregular and discolored.他牙齿长得不好，参差不齐而且有些发黄。Frequently, early in the disease, the skin is discolored by a marked erythema.常在疾病早期, 皮肤因有明显的红疹而变色.Charles looked r...
He had bad teeth, irregular and discolored.他牙齿长得不好，参差不齐而且有些发黄。Spilt acid discolored the floor.泼出的酸弄得地板褪色。Charles looked round him at the dingy smoke - discolored walls, the worm - eaten staircase.查尔斯环视被烟熏黑的墙壁和虫蛀的楼梯....
...the heavy city traffic with its endless delays at lights and crossings.在交通灯和十字路口前长久等待的拥堵的城市车流They have planted machine - guns at street crossings.他们在十字路口设置了机枪.He has made several crossings on the Atlantic aboard S . S...
How often does your dog have puppies? ( How often does your dog give birth to puppies? )你的狗隔多久下一窝小狗?How does ability oneself give birth to second liver antibody have?乙肝抗体怎样才能自身生有?Pregnant females always give birth to twi...