Pbe
[医] 牛结核菌乳剂(牛型结核菌经培养后制成的结核菌素)
🗣️ 情景例句
What made you decide to study Economics?
你为什么决定修读经济学？
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
It's a car.
是一辆车。