CRI听力:Birth Defect Rate Rises Sharply in China

be born with天生具有
例句：She was born with weak eyesight.
她天生视力差。

2. Some medical experts believe premarital health checks can uncover problems that lead to birth defects and insist that such checks be mandatory.

lead to导致, 引起
例句：An ordinary cold can soon lead to a fever.
一场普通的感冒很快便会引起高烧。

3. Wei Wei's opinion is representative of many young people who live in cities and are busy with work.

be busy with忙于
例句：She's busy with some important work.
她正忙于一些重要工作。

4. As long as they have basic health knowledge, they can protect themselves.

as long as只要, 如果
例句：I'll never forget that as long as I am living.
这事我至死也不会忘记。