Diadaxis
二次对称轴
🗣️ 情景例句
Well, let's go down to the coffee shop.
哦 ，那我们下去咖啡厅吧。
Who spoke a while ago?
刚才谁在讲话？
Please make sure you mark the shipment for careful handling.
请不要忘了在货物上标明“小心搬运”。