Behavior,Sucking

《英文msh詞典》Behavior,Sucking
[入口詞] Behavior,Sucking
[主題詞] Sucking Behavior
[英文釋義] Any suction exerted by the mouth; response of the mammalian infant to draw milk from the breast. Includes sucking on inanimate objects. Not to be used for thumb sucking,which is indexed under fingersucking.