Definition: If two people are lovers, they have a romantic or physical relationship. Level: B1
在成为恋人之前，他们是朋友。
They were friends before they became ___lovers.
罗密欧与朱丽叶是文学中著名的恋人。
Romeo and Juliet are famous ___lovers in literature.
他们从大学起就是恋人。
They have been ___lovers since college.
