A new antibiotic requires only a three-day course of treatment.

一种新的抗生素只需要三天疗程。

youdao

At that time I took an intensive 30-day course in Spanish.

那个时候我用了30天的时间强化西班牙语。

youdao

Critics argue that the five-day course is too short and classes of around 150 students each are too large.

金的演讲。 批评者认为5天的课时太少了，而由150人左右组成的班级又太大了。

youdao

The silver lining, she said: most people do not finish their 10-day course of antibiotics anyway.

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Since then, more than 6, 600 Army and Marine officers have been through its five-day course.

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The race was to pit employee teams from at least 12 corporations over a 100-mile, two-day course.

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