n.畿尼(旧时英国金币；合21先令；现只用于价目)
名词guinea的复数形式.
They use prison as guinea pig to test drug. 他们用罪犯来试验药品。
He dresses decently, yet he seldom has a guinea at command. 他衣着体面，然而他很少有一块钱可供花用。
He was used as a guinea pig for the new drug. 他被用于进行新药品的实验。
I've made some candies--will you be my guinea pig? 我做了些糖，你愿意试吃吗?
I ran out the guineas by one and two at a time. 我每回输一个金币或者两个金币。
I wouldn't take ten thousand guineas for that bird. 就是给我一万个金币,我也不会卖那只鸟。
