Mmo
abbr. 缺一音乐（Music Minus One）；大型多人网游（Massive-Multiplayer On-Line）；中质机械油（Middle Machine Oil）
🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
Many new ideas are discovered during college years.
大部分崭新的观念都产生于大学时代。
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，