慢速英语:Are US Travel Restrictions Keeping Visitors Away?

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1. restriction n.限制，限定; 拘束
例句：The relaxation of travel restrictions means they are free to travel and work.
旅游限制的放松意味着他们可以自由地出行和工作。

2. approve vt.赞成，同意
例句：Not everyone approves of the festival
不是所有人都赞成庆祝该节日。

3. criticize vt.批评; 评论; 指责
例句：His mother had rarely criticized him or any of her children
他母亲很少指责他或她的任何孩子。

4. affect  vt.影响; 假装; 感动
例句：Nicotine adversely affects the functioning of the heart and arteries
尼古丁会对心脏及动脉功能造成损害。

5. extend vt.延伸; 扩大; 推广
例句：The caves extend for some 18 kilometres
那些洞穴深约18公里。

6. cancel vt.取消，注销
例句：The Russian foreign minister yesterday cancelled his visit to Washington
俄罗斯外交部长昨天取消了对华盛顿的访问。