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重点讲解：
1.coincide with 与…一致
例句：The new goal is not always coincide with recent policy.
新目标不总是与现有政策相一致。
2.sign up for 预定；注册；参加
例句：Her teacher encouraged her to sign up for the English speech contest.
老师鼓励她参加英语演讲比赛。
3.pile up 堆起来
例句：Casually for a few code into a pile up to see whether the same size .
随便取几块码成一摞，看看大小是否一样。
4.gussy up 打扮
例句：She is well turned out, while I have been known to use a kitchen sponge to gussy up my pants for work.
她穿的很漂亮，而我是出了名的会用厨房的海绵来打理工作时穿的裤子。
