Obtusin
二羟基三甲氧基甲基葸二酮, 纯菇菌素
🗣️ 情景例句
Why do prices always go up during Spring Festival?
为什么春节期间很多东西都会涨价？
You haven't sold your product in our country so far, have you?
到目前为止，你们的产品尚未在我们国家销售，是吗？
You see, it's easy. Run! Good!
你看，挺简单的，跑起来，好！