Informal address to a friend or ally, like bro

• Short for family when referring to one’s relatives
• By extension, a close friend group seen as family

口语，对朋友或同伴的称呼，类似“兄弟”

• “家庭”的缩写，指自己的家人
• 引申义，像家人一样的密友群体

Initialism for federal air marshal, a U.S. sky marshal

• Capitalized; refers to the law enforcement role

缩写，指美国联邦空警（Federal Air Marshal）

• 通常全大写，指该执法职位

Short for familiarization, esp. in a FAM trip in travel

• Often capitalized in marketing and tourism contexts

“熟悉化/熟悉介绍”的缩写，尤指旅游业的FAM考察团

• 常用大写，见于市场和旅游领域