Plotospasmin
鳗鲇神经毒素
🗣️ 情景例句
Will you please take this upstairs, Susan?
麻烦你把这个带上去好吗， Susan？
Wahtever a man sow, that shall he also reap.
种瓜得瓜，种豆得豆。
You might have left it in the shop.
可能你把它落在店里了。