美语听力练习素材:奥巴马向无名烈士墓献花 斯里兰卡小象跌入下水道

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例句：Lily spent years caring for her sick uncle.
莉莉照顾了她生病的叔叔好多年。

2.fall into 掉进

例句：The boy fell into water and had to be pulled out at once.
男孩掉入了水中，必须马上拉上来。

3.leave behind 留下

例句：I don't want to leave anything behind.
我不想留下任何东西。

4.call for 要求

例句：They angrily called for Robinson's resignation.
他们愤怒地要求罗滨逊辞职。