Secsy
[化] 自旋回波相关谱
🗣️ 情景例句
In ancient times the rich used jade or gold chopsticks to display their wealth.
在古代，富人家用玉或金子制成筷子以显示其家庭的富有。
If you expect to enter the university,you should apply now.
如果你期望进入大学，你现在应该申请。
Tom's birthday is this week.
汤姆的生日就在这个星期。