quick pick-up relay 快吸继电器
She has always been quick to pick things up, doing passably well in school without really trying.
她学东西向来很快,不用多努力书就能读得还不错。
Her political enemies were quick to pick up on this series of disasters.
她的政敌很快注意到这一系列的灾难。
They have cleverer hands, and they're quick to pick up new notions.
它们的手更聪明,而且它们新东西学得很快。
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