Allolactose
异乳糖
🗣️ 情景例句
My computer was infected by a virus, I guess since I didn't have firewall installed.
我的电脑受到病毒感染了，我想是因为我没装防火墙。
I'm too nervous.
我太紧张。
Excuse me, please! Which is the way to the North Street Hospital?
请问，去北街医院怎么走？