Blg
abbr. β-乳球蛋白（beta-lactoglobulin β-）
🗣️ 情景例句
Yes? May I help you?
什么事？我能为您效劳吗？
First think, and then speak.
先想后说。
How would you like to proceed with the negotiations?
你认为该怎样来进行这次谈判呢？