Uba
abbr. undenatured bacterial antigen 非变性的细菌抗原
🗣️ 情景例句
Are you from New York?
是从纽约来的吗？
We must not lie down,and cry,God help us.
求神不如求己。
They say it's going to be wet and windy.
据说是要刮风下雨。