CNN News:特朗普宣称要从叙利亚撤军

重点讲解：
1. withdraw from (使)撤退；(使)撤回；(使)撤离；
例句：It's most direct and tragic result was the reversal of Kennedy's decision to withdraw from Vietnam.
它最直接、也是最具悲剧性的后果，就是改变了肯尼迪从越南撤军的决定
2. used to do sth. 过去常常；过去曾；
例句：My mother used to live off the interest from her savings.
母亲过去是靠储蓄的利息维持生活。
3. take back 收回；
例句：I'll only take back what's mine.
我只会拿回属于我的东西。
4. get rid of 摆脱；去除；消除；
例句：There's corruption, and we're going to get rid of it.
存在贪污腐败现象，我们将予以清除。