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...
Police say they have arrested twenty people following the disturbances.警方说骚乱发生后他们已逮捕了20人。Extra police were called in to quell the disturbances.已调集了增援警力来平定骚乱。An imbalance in certain chemicals leads to disturbances in the ...