call upon

动词 v.
中文释义

英文释义

动词 v.
  1. Alternative form of call on (certain senses). alt-of,alternative
    — They will be called upon to deal with freight trains of up to 900 tons over gradients considerably steeper than those of the Central Section—for example, the frequent stretches of 1 in 100 between Victoria and the Medway towns—and their running to fast schedules will include the haulage of the "Night Ferry", which may load up to as much as 700 tons, and fully-fitted trains of 30 or more heavy Continental train ferry wagons.

词形变化

calls upon present,singular,third-person calling upon participle,present called upon participle,past called upon past
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