HSK 6
舌头
shétou名
tongue; enemy soldier captured for the purpose of extracting information
吃东西时不小心咬了舌头。
Chī dōng xi shí bù xiǎo xīn yǎo le shé tou.
I accidentally bit my tongue while eating.
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New in the HSK 3.0 word list at level 6.