Galactosylglucose
半乳糖苷葡糖, 乳糖
🗣️ 情景例句
Good afrernoon, Miss Wang. Please sit down.
下午好。王小姐，请坐。
I believe the first test of truly great man is his humility.
一个真正伟大的人，对他的第一个考验就是看他是否谦逊。
You're in Row Four.
你在第四排。