床垫是否高低不平并且下陷？Is the mattress lumpy and saggy?那意味着整个房子正在下陷吗？Does that mean the whole house is subsiding?黑色的拎包由于装了各种形状的东西而中间下陷.The black reticule sagged under the weight of shapeless objects....
他们走出店铺,穿过破旧的走廊,步下下陷的台阶.They went out of the store and across the worn gallery and down the sagging steps.那间下陷的谷仓倒塌后, 农夫就把它烧掉了.After the sagging barn collapsed, the farmer burned it down.泪水从她下陷的双颊流了下来.The tears rolled dow...