我买了一千克苹果用英文怎么说

"I bought one kilogram of apples."

这句话的来源是英语中购物场景中的常用语。

例句：

I went to the store and bought one kilogram of apples.
(我去了商店，买了一千克苹果。)
I need to buy some apples, do you know how much one kilogram is?
(我需要买一些苹果，你知道一千克是多少吗？)
I bought two kilograms of apples for my family.
(我为我的家人买了两千克苹果。)