那时，大约二十码外的一辆小型货车后门突然敞开。

At that instant, the rear doors of a panel truck some twenty yards away flew open.

《柯林斯英汉双解大词典》

别担心。她大约二十分钟后到这儿。

Don't worry. She will be here in about twenty minutes.

youdao

你做运动需要多长时间？大约二十分钟。

How many minutes do you play sports? About Twenty minutes.

youdao

was about 20 per 100,000 people.

每十万人中有大约二十人受到感染

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