loading(a)
n. weight to be borne or conveyed 同义词：loadburden
a quantity that can be processed or transported at one time 同义词：load
the ratio of the gross weight of an airplane to some factor determining its lift goods carried by a large vehicle 同义词：cargoladingfreightloadpayloadshipmentconsignment
the labor of putting a load of something on or in a vehicle or ship or container etc."the loading took 2 hours"