cart·load /ˈkɑrtˈlod, ˌlod/
  一車的載量,大量
  cartload, cart load n. as much as will fill or load a cart; the quantity that a cart holds. In excavating and carting sand, gravel, earth, etc., one third of a cubic yard of the material before it is loosened is estimated to be a cart load.
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  cartload
       n : the quantity that a cart holds