The men in the long-term group took the supplements for an average of 18 years. The men in the short-term group did so for an average of a year, with the longest being three years.

长期组的人服用补充剂平均18年，短期组的人从现在才开始服用，平均才一年，最长是三年。

youdao

Subdivide three vertical partings and sculpt alternately short, long and short lengths using 90 degree projection and a vertical finger position.

细分三垂直的分别而且雕刻交替短，长的和短长度使用90度发射和一个垂直的手指位置。

youdao

There are, at present, three difficulties in western countrysides, such as short of funds, great difficulty in construction and long time limit for a project.

阐述了目前西部农村建桥的三大困难：建桥资金缺、施工难度大、建设工期长；

youdao

There are four kinds of echidnas: three species are long-nosed, while another has a short nose.

VOA: special.2009.07.07

"We've come a long way in a short period of time over three years, " manager Dusty Baker said.

WSJ: MLB 2013: Challengers gear up to take down Giants