sinkv.下沉；沉没；渗透；低落；变低；衰弱；（太阳）落下n.水槽；沟渠；散热器；接收端sinking work凿井椎sink current反向电流sink filling填洼sinking area塌陷区sinking ship正在沉没的船sink oneself不考虑自己的利益Sink Counter埋头孔sinking type潜入型sink or swimvi.成败全靠自己(不论好歹)sink grinder污水槽破碎机