Monacrin
[化] 3-氨基吖啶
🗣️ 情景例句
You are?
是吗？
To climb stairs
爬楼梯
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。