短语讲解：

1.The most recent Ebola epidemic took place from 2013 to 2016.

take place 发生，举行
例句：A total solar eclipse is due to take place some time tomorrow.
明天某个时刻会发生日全食。

2.It killed more than 11,000 people and infected 29,000 in Liberia, Guinea and Sierra Leone.

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

3.And, he says, he hopes they can ultimately be used both as a treatment and as a vaccine to prevent people from getting Ebola in the first place.

prevent from 阻止， 防止
例句：That will prevent the wings of the aircraft from icing up.
这样可防止机翼结冰。
 4/5   首页 上一页 2 3 4 5 下一页 尾页