Zobo
abbr. cow+yak 母牛+牦牛（代号）
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
Do you often study history on Saturday?
你常常在星期六学历史吗？
I heard that you're getting married, Congratulations.
听说你要结婚了，恭喜！