BBC在线收听下载:美国总统特朗普开始其任期

短语讲解：

1. There were more than 200 arrests.

more than 超过; 不只是
例句：He supervised and trained more than 400 volunteers.
他指导和培训了400多名志愿者。

2. A close aide to the Gambian President Adama Barrow says the embattled former head of state Yahya Jammeh has agreed to step down and leave the country.

agree to 同意， 赞成
例句：I cannot but agree to your decision.
我不得不同意你的决定。
step down 退休，辞职;
例句：If I were to be, I would step down and raise my voice immediately.
一旦我弄清楚了，我会立即辞职站出来表态。