Sitology
n. 营养学, 饮食学\\n[医] 饮食学, 营养学
🗣️ 情景例句
Good. How much is the fare?
好。车费多少？
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
What's the matter, children?
怎么啦，孩子们？