函
word C2- envelope
- case
- letter
Other readings
- hánvariant of 函[han2]
Words with it
- 函数 hán shù function
- 函授 hán shòu to teach by correspondence
- 公函 gōng hán official letter
- 信函 xìn hán letter
- 致函 zhì hán to send a letter
- 邀请函 yāo qǐng hán invitation letter
- 来函 lái hán incoming letter
- 函件 hán jiàn letters
- 三角函数 sān jiǎo hán shù trigonometric function
- 连续函数 lián xù hán shù continuous function
From the library
」便于手巾函中出之。
但平伯因转信的关系，却和他常通函札。
后来平伯来信，说已将此语函告白采，他颇以为然。
Learn 函 in real texts
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