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1·The flowers died off one by one.

花儿开过就一朵接一朵地凋谢了。

2·They had been on our planets for millions of years, but 2018 was the year several species officially died off forever.

这几个物种已经在我们的地球上存在了数百万年，但是官方称2018年它们已经陆续灭亡。

3·One by one, four ministers died off.

一个接一个，4名大臣相继死去。

4·As she got older, her relatives died off.

随着她越来越老，她的亲戚们都相继死去了。

5·The members of the family had all died off.

这家人一个个都死了。

6·As he grew older, his relatives all died off.

随着他年龄的增长，他的亲人都一个一个地死去了。

7·And another swimmer died off the coast of Florida.

另一名游泳者死于佛罗里达州的海岸。

8·But some of the corals died off after a few months.

但有些珊瑚短短几个月之后就相继死去。

9·The bamboo forest burst into flower and then died off.

竹林突然开花，然后一株一株死掉了。

10·Yes, the Crusades died off, but it was regaining popularity.

士兵们虽然相继死去，但是十字军的阴魂一直未散。