lovebirds
noun [ plural ] humorous uk/ˈlʌv.bɜːdz/ us/ˈlʌv.bɝːdz/
（一对）情侣，恋人，情人
two people who are obviously very much in love with each other
Look at those two lovebirds holding hands and gazing into each other's eyes. 瞧那对恋人正手拉手深情对视呢。