他们在踩葡萄酿酒.用英语怎么说？

他们在踩葡萄酿酒.

They were tramping grapes for wine.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

tramping

n. 不定期运输，不定航线运输；

例句
She spent all day yesterday tramping the streets, gathering evidence.
她昨天一整天都在街上四处奔走，搜集证据。

grapes

n. 葡萄( grape的名词复数 )；

例句
The hot sun enables the grapes to reach optimum ripeness...
炙热的阳光使葡萄能够达到最佳成熟状态。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

wine

n. 葡萄酒，果酒，紫红色，深红色；vt. 请…喝酒；vi. 喝酒；

例句
A similar wine from France would cost you half as much again.
法国类似的一种葡萄酒的价格比这高一半。