Pellagrosis
[医] 糙皮病, 陪拉格皮病
🗣️ 情景例句
Have you got any experience in advertising?
你有广告方面的经验吗？
The student is busy studying math.
这个学生忙于研究数学。
When a marked bee returned to the hive from the feeding table, Von Frisch watched through the glass.
当一只有记号的蜜蜂从喂食桌回到蜂箱时。