慢速英语:World Health Organization Urges Countries to Vaccinate Children

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短语讲解：

1. Eighty percent of those who are not vaccinated against preventable diseases live in 10 countries.

live in 住在学习[工作]的地方；住在（某地）
例句：You live in a really big place!
你住在一个很大的地方!

2. For example, some countries are not able to store vaccines at cold temperatures until they can be used.

for example 比如
例句：For example, board games and games consoles understood?
比如说下棋、打游戏机之类的懂了吧？
be able to 能，会；能够；克
例句：We hope you'll be able to attend.
我们希望你能够前来参加。

3. Dr. Okwo-Bele says that includes making sure people understand that many stories about vaccines are not true.

make sure 务必
例句：How do you make sure this is clear?
你怎么能确定这足够明确呢？