Vaca
abbr. 空泡毒素（Vacuolating cytotoxin A）
🗣️ 情景例句
Do you know anything about South American culture?
你了解南美洲的文化吗？
How is it going with you?
你过得怎样？
You forget that I was a medical student once upon a time.'
你忘了我以前是学医的了。”