美国人最近争相查BMI（朗读版）|E0318

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▍原文

With obesity a factor in Covid-19 vaccine eligibility, many Americans are scrambling to find out their body mass index, or BMI.

But experts say the meaning behind those numbers -- and how to lower them -- isn't always so clear-cut.

The US Centers for Disease Control and Prevention lists obesity as an underlying medical condition, and defines it as someone who has a body mass index of 30 or higher but less than 40. Having a high BMI, however, doesn't necessarily mean you're unhealthy.

▍语言点

1. eligibility /ˌelədʒəˈbɪləti/ n. 有资格，合格

· eligible adj. 有资格的

2. scramble /ˈskræmbəl/ v. 争抢，争夺(If you scramble, you move quickly to do sth. often before somebody else does. ) 

· Big companies like BAT are scrambling for skilled workers.

像BAT这样的大公司都在争抢人才。

· People are scrambling to buy a cup of drink.

大家都排队争抢一杯饮料。

3. underlying /ˌʌndərˈlaɪɪŋ/ adj. 潜在的

· underlying cause/problem 潜在的原因/问题

· To stop a problem you have to understand its underlying causes.

要解决问题，你得了解潜在的原因是什么。

4. doesn't necessarily mean 并不一定意味着……

· Cheap doesn't necessarily mean bad in terms of goods.

价格便宜并不一定就质量差。

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