B complex
复合维生素b
🧩 词语组成解析
🗣️ 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。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
I'll be more careful next time.
我下次要更小心一些。