call up 给 ... 打电话； 使想起； 召集 Forgive me so early to call up you please. 请原谅我这么早给你打电话。 She can still call up scenes of childhood. 她仍能想起儿时的情景。 Call up a few friends to help you. 召集一些朋友来帮你忙。 Call up reserves and as many recruits as possible. 意思就是召集后备部队和尽可能多的新兵。
