Sr.
abbr. (=Senior)(=Sir)；〈外(=Senhor)\\n
🗣️ 情景例句
Do you want something cold to drink?
想喝点什么冰凉的东西吗？
Thoroughly to teach another is the best way to learn for yourself.
教学相长。
This lunch is on me today,
今天这顿饭算我请客。