Uba
abbr. undenatured bacterial antigen 非变性的细菌抗原
🗣️ 情景例句
It's almost certain that they'll get a divorce.
他们离婚几乎已成定局。
This is a story.
这是一个故事。
'I'm hanging this picture on the wall,' I answered.
我正将图片挂到墙上去呢，我回答