The areas are sealed off and ringed by troops.这些地区被军队封锁包围了。More than one hundred police have ringed the area.这一地区已被上百名警察包围。Her eyes were sunken and black-ringed.她眼圈发黑，眼窝深陷。...
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...