tongue tie

1. Her dentist suggested it may be because she was born with a slightly shorter than average tongue, caused by having an unusually thick lingual frenulum-a condition known as Ankyloglossia, or commonly as "Tongue Tie".
   她的牙医推测，问题可能出在她的舌系带明显较厚，从而导致舌头生来就比普通人的短，这种情况被称为舌系带短缩或者更通俗地称为结舌。
2. His tongue can be extended extraoral, but Can not bend, whether it is a short tongue tie?
   他的舌头可以伸出口外，但不能上翘，是否是舌系带短？

noun

1. a congenital anomaly in which the mucous membrane under the tongue is too short limiting the mobility of the tongue

   Synonym:    ankyloglossia