She added a slice of lemon to her tea.

她在茶里加了一片柠檬。

Add a slice of lemon to garnish the fish.

加一片柠檬来装饰这道鱼。

I like to add a slice of lemon to my tea.

我喜欢在茶里加一片柠檬。

This cocktail requires gin, tonic water, and a slice of lemon.

这款鸡尾酒需要金酒、汤力水和一片柠檬。

Would you like a slice of lemon in your tea?

你想在茶里放一片柠檬吗？

A slice of lemon/lime, please.

请来一片柠檬／青柠。

A slice of lemon is often substituted.

常常也以一片柠檬来代替。

Add a slice of lemon to your green tea.

在绿茶中加入一片柠檬。

E. A cup of tea with a slice of lemon, please.

请给我的茶里加一片柠檬。

I always take life with a grain of salt, …plus a slice of lemon, …and a shot of tequila.

生活对于我来说是小菜一碟，我通常就着盐和柠檬，再来一小杯龙舌兰酒。