Try to do twenty minutes of vigorous exercise every day.

每天要尽量做20分钟的高强度锻炼。

River School is a secondary school, about twenty minutes away from my home by bike.

河流学校是一所中学，骑自行车离我家大约二十分钟。

It takes about twenty minutes to walk to the park from here.

从这里走到公园大约需要二十分钟。

I spend twenty minutes learning new words and half an hour listening to tapes.

我花20分钟学习生词，半小时听磁带。

It takes me twenty minutes to get to work.

我花了二十分钟去上班。

It only took twenty minutes to put the tent up.

只花了二十分钟就把帐篷搭好了。

Ten minutes, maybe twenty minutes.

十分钟，或是二十分钟。

It's about twenty minutes by bus.

坐汽车大约需要20分钟。

It lasts one hour and twenty minutes.

这场监考持续了一小时二十分钟。

Su Yang's twenty minutes younger than me.

苏洋比我小二十分钟。