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

We have a 3-day course on how to perform a complete round of user testing by actually testing the team on its own project.

我们有一个三天的课程，教导如何利用专案团队成员进行一轮完整的使用者测试。

youdao

At the end of the day, the choice to continue as a destitute, international pariah or chart a new course is North Korea's alone to make.

VOA: standard.2009.05.30

I of course picked the wrong day to wear a sweatshirt under really hot lights so thankfully I came prepared with another item from the-- from the store.

当然，我在主光灯下穿了件运动衫，这确实不太明智,幸好我过来时,从商店准备了另一件。

哈佛公开课 - 计算机科学课程节选

to get a view all over the city, on a clear day, of course.

俯瞰整个城市，当然这要在一个晴朗的日子。

神奇的博物馆 - SpeakingMax英语口语达人

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.

NPR: Baghdad School Trains Troops to Combat Insurgents

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

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