noun🔗Share系带, 小系带 A small fold of tissue that prevents an organ in the body from moving too far."Humans have three oral frenulums: beneath the tongue, between the upper lip and gum, and between the lower lip and gum."人类口腔内有三条系带：分别位于舌头下面，上唇与牙龈之间，以及下唇与牙龈之间。anatomybodymedicineorganphysiologyChat with AIVocabulary GamePractice Reading
