Dihydrofluorescein
[化] 荧光生; 二氢荧光素
🗣️ 情景例句
Yes, a pediatrician.
是的， 小儿科医师。
You can't always get what you want.
天不从人愿。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。