B complex
复合维生素b
🧩 词语组成解析
🗣️ 情景例句
Don't get upset.
不要发怒。
What would you have done last night if you hadn't had to study?
如果昨晚你不必学习你会做什么？
There are some newspapers on the table.
桌上放着几份报纸。