down at heel造句 1. The town has become very down at heel. 2. His boots were patched down at heel. 3. He's always so down at heel; is he hard up or just slovenly? 4. My shoes are down at heel; I must have them repaired. 5. Haggard and pale, shabbily or raggedly dressed, their and down at heel, they slouched past.英文造句marketing channelstreet childclickerscarcity valuejejunalto answer forilealroll-backrake up the pastgrey marketrectangular arrayunshieldedhexanenerve centerin-servicecubitushubble constantmensaplant layoutunsurprisedspeed meterDDRcholecysticsquare matrixinverse matrixfeasible regionelimination methodmare nostrumcoefficient matrix