Spectroanalysis
光谱分析
🗣️ 情景例句
How can I forget?
怎么忘得了?
Ill news flies fast.
恶事传千里。
A born teacher, she thought she could turn a deaf-blind person into a useful human being.
她是一个天的教师，认为自己可以把一个聋盲人变成一个有用的人。