Ethnopharmacology
民族药物学
🗣️ 情景例句
If you have time around Christmas, please come to visit my family.
如果你圣诞节前后有空，欢迎到我家来玩。
Falling leaves
落叶
I left a suitcase on the train to London the other day.
几天前我把一只手提箱忘在开往伦敦的火车上了。