Sis
n. [美口]姐妹（等于sister）
✅ 同义词
🗣️ 情景例句
Keep to the rules, and nothing can go wrong.
按规矩办事情就不会出差子。
Soon learnt, soon forgotten.
学得快，忘得快。
Then he spoke slowly, but I could not understand him.
于是他说得慢了，可我还是听不懂。