Vaca
abbr. 空泡毒素（Vacuolating cytotoxin A）
🗣️ 情景例句
It is too expensive. How about half the price?
太贵了，半价怎么样？
Rome was not built in a day.
罗马并非一日可建成；坚持必成。
It would represent quite a savings.
这省下的可是一笔不少的钱哩。