Cohydrol
石墨的胶态溶液
🗣️ 情景例句
That's it--show.
就是它 ，show。 ?
Health and cheerfulness mutually beget each other.
健康愉快，相生相成。
Mrs. Zhu, I called to tell you that the conference has been delayed until the 15th and 16th.
朱夫人，我来告诉你会议已经推迟到了15号至16号开。