Hydronaphthoquinone
萘二酚
🗣️ 情景例句
Congratulations!
恭喜你
Brave actions never want a trumpet.
勇敢的行为不须要吹号。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。