舌头是人类身体中的一个器官，位于口腔内，用于咀嚼食物和发音。它由肌肉和粘膜组成，具有灵活的运动能力。舌头也是味觉感受的主要部位，可以分辨出五种基本味道：甜、酸、苦、咸和鲜。

英文释义：The tongue is an organ located in the mouth of human beings, used for chewing food and producing speech. It is made up of muscles and mucous membrane, with flexible movement ability. The tongue is also the main part for taste perception, capable of distinguishing five basic tastes: sweet, sour, bitter, salty and umami.

怎么读（音标）：/tʌŋ/

用法：舌头通常用于指代人类身体中的这一器官，也可以用来比喻某人的语言能力或说话方式。在医学上，舌头还可以指代一些相关的疾病或症状。

例句1：他的舌头非常灵活，能够说出很多流利的外语。

His tongue is very flexible and he can speak many foreign languages fluently.

例句2：她总是把自己的舌头当作武器，在工作中经常得罪同事。

She always uses her tongue as a weapon and often offends her colleagues at work.

例句3：他感觉到自己的舌头有些发麻，可能是因为感冒了。

He feels a little numbness on his tongue, probably because he caught a cold.

例句4：医生建议他多喝水，以保持舌头湿润。

The doctor advised him to drink more water to keep his tongue moist.

例句5：她的舌头被绑住了，无法说话。

Her tongue was tied and she couldn't speak.

同义词及用法：嘴巴、口腔、语言、言语

编辑总结：舌头是人类身体中不可或缺的器官，不仅可以帮助我们咀嚼食物和发音，还能够感知味觉。同时，它也经常被用来比喻人们的语言能力和说话方式。在医学上，舌头也有着重要的作用。因此，我们应该保持良好的口腔卫生，并且善用自己的舌头来交流和表达。