Perfringocin
产气荚膜芽孢梭菌素
🗣️ 情景例句
Oh, Richard, it's wonderful!
噢 Richard 太棒了
I'm sorry, but I didn't catch what you said.
对不起，我没有听明白你的话。
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”