an oval fruit that has a thick, yellow skin and sour juice, or the small tree on which this fruit grows

For this recipe you need the juice of two lemons. 按照这份食谱，你需要两个柠檬的果汁。

Would you like a slice of lemon in your tea? 你的茶里要放一片柠檬吗？

lemon juice 柠檬汁

a lemon grove (= group of lemon trees)

the juice of a lemon or a drink made from this juice

a pale yellow colour

something that does not work

Only one of his inventions turned out to be a lemon. 在他的几项发明中只有一项没有获得成功。

a very silly person

I felt such a lemon when I discovered I'd missed my appointment. 我发现错过了约会时间，觉得自己真是太傻了。

of a pale yellow colour