Smtp
[计] 简易邮件传递协议
🗣️ 情景例句
Thank you.
谢谢你 。
Put not your hand between the bark and the tree.
少管闲事。
If you touch them you may break something or have an accident and hurt yourselves.
如果你用手摸它们，也许你会搞坏机器，或者会发生事故，打伤你自己。