Mesodynamics
介子动力学
🗣️ 情景例句
Go for the first prize! i know you are good enough.
争取拿头奖，我知道你行。
What's your trouble?
你有什么不舒服？
The trainer stands in front of the elephant holding a long stick with a sharp metal point.
驯练员手持一根有锋利金属尖头的长棒，站在象前。