Allolactose
异乳糖
🗣️ 情景例句
She sells sea shells on the shining seashore.
她在亮晶晶的海滩上卖贝壳。
How long did it last?
持续了多久？
You forget that I was a medical student once upon a time.'
你忘了我以前是学医的了。”