孩子们经常把吮吸棒棒糖当作一种享受。
Children often ___suck on lollipops as a treat.
他会吮吸手指来翻日记的页。
He would ___suck his fingers to turn the pages of the diary.
有些人无意识地吮吸拇指，这是从小养成的习惯。
Some people unconsciously ___suck their thumbs as a habit from childhood.
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