Vaca
abbr. 空泡毒素（Vacuolating cytotoxin A）
🗣️ 情景例句
Richard feels we need to find a small house. Richard
觉得我们需要一个小住宅。
I beg your pardon.Is this seat taken?
请问这个位子被占了吗？
There was no electricity in my dorm last night.
昨晚我宿舍没电。