I plucked a lemon from the tree.

我从树上摘下一枚柠檬。

《柯林斯英汉双解大词典》

A lemon is an acid fruit.

柠檬是一种酸味水果。

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He ate a lemon just now.

他刚才吃了一个柠檬。

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T.S. Eliot, who was in many ways associated with the New Criticism, one of its intellectual forebears, nevertheless took a somewhat dim view of it and called it "lemon squeezer criticism."

提到新批评派不能不提T，S，爱略特，这是位元老级人物，他对这个新文学鉴赏方式持有一种比较特别的观点,他称之为，“挤柠檬式批评主义“

耶鲁公开课 - 文学理论导论课程节选

The small yellow fruit is, however, often misdiagnosed as a lemon, in both senses of the word.

WSJ: Bergamot Is No Lemon

Ethereal dishes such as a lemon rice flecked with poppy seeds and peanuts seem deceptively simple but burst with flavor.

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My personal favorite, a lemon ganache coated in dark chocolate, is a burst of intense citrus surrounded by velvety chocolate notes.

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