v.下沉;坐下;减弱;挖掘;使受挫;击球入洞;灌;
n.洗涤池;;
adj.贫民窟的;
例句:
It was very much sink or swim.
这很大程度上就是不成功便沉沦。
Wood does not sink in water.
木头不会沉入水中.
The lack of money will certainly sink our plan.
资金短缺准会毁了我们的计划.