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打印1.keen adj. 锋利的,敏锐的,强烈的
例句：
The blind have a keen sense of touch.
盲人有敏锐的触觉。
2.immediately adv. 立即
例句：
If you want to catch that train we'd better set off for the station immediately.
你要是想赶上那班火车，咱们就最好马上动身去火车站。
3.dismally adv.阴暗地, 沉闷地
例句：
He could see quite clearly how he had failed so dismally with Alice and how Tom had taken over so easily.
他十分清楚自己如何在爱丽丝身上败得这么惨，而汤姆又是如何轻而易举便得到了她。
4.pocket v. 装...在口袋里,隐藏,私吞
例句：
She quickly pocketed the note without reading it.
她很快把通知放进口袋里，连看都没看。
