lingual lymph nodes

例句：

1. 1. The lingual frenulum is a small bandof tissue that connects the tongue tothe roof of the mouth.
   舌系带是连接舌头和口腔顶部的小组织带。
2. 2. Linguists study languages and theirevolution.
   语言学家研究语言及其演变。
3. 3. Thepatient's tongue was so large thatit could not fit into his mouth.
   病人的舌头太大了，无法放入他的口中。