Vaca
abbr. 空泡毒素（Vacuolating cytotoxin A）
🗣️ 情景例句
Mom is now on television
妈妈现在出现在电视上
Full details regarding packing and marking must be strictly observed.
请严格遵守包装及商标的细则。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。