Plotospasmin
鳗鲇神经毒素
🗣️ 情景例句
The girl always wears a happy smile.
这女孩随时都面带快乐的微笑。
So noisy!
吵死了！
The last creature to compete with man was the mosquito.
能与人竞争的生物最后只有蚊子了，