1.turn in交上
Although working very hard, he failed to turn in his research paper on time.
尽管他非常努力，但还是没能按时交上他的实验报告x,N#+TcKla+5rLl。
2.pick up捡起；学会
When every shell you pick up on the winding shore is broken.
当你在蜿蜒的沙滩上捡起的每一个贝壳都是破裂的^@2cLOIjXS。
3.check out 检验；结账离开
The guest must check out of the room before midnight.
那位客人必须于零点之前结帐离开房间o5=&B+zk*0x。

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