慢速英语:Trump Plans to Sell Attack Planes to Nigeria to Fight Boko Haram

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1.notify vt.通知; 布告
例句：The skipper notified the coastguard of the tragedy
船长向海岸警卫队报告了这起灾难。

2.investigate vt.调查; 研究; 审查
例句：The detective was sent to investigate the crime.
那位侦探被派去调查该罪行。

3.promise vt.允诺，许诺
例句：The post office has promised to resume first class mail delivery to the area on Friday
邮局承诺于星期五恢复对这个地区第一类邮件的递送。

4.expand vt.扩张; 使…变大; 详述
例句：Engineers noticed that the pipes were not expanding as expected
工程师注意到管道并没有如预期那样膨胀。

5.increase vt. 增加，增大，增多
例句：The population continues to increase
人口继续增长。

6.reject vt.拒绝; 排斥; 抛弃，扔掉
例句：He appealed to the members to reject the resolution.
他请求议员们拒绝通过这个动议。