“吸吮”常见的英文表达是 suck ,读音:英 [sʌk];美 [sʌk] 。
The baby is sucking on the bottle. (宝宝正在吸吮奶瓶。)
He sucked his thumb habitually when he was a child. (他小时候习惯性地吸吮拇指。)
此外,nurse 也有“吸吮(乳头)”的意思 ,不过它更侧重于婴儿吸吮母乳这一行为。例如:The baby is nursing at her mother's breast.(婴儿正在吸吮母亲的乳汁 。)