Preventol
双氯粉, 防腐粉
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
After all, laughter is the best medicine.
毕竟，笑是解愁良药。
Do you want to have lunch with us?
你跟我们一起吃午饭好吗？