Diadaxis
二次对称轴
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
Off base!
太离谱了吧！
He has pointed out that the tree is a useful source of income as tour-ists have been coming from all parts of the country to see it.
他指出，由于人们从全国各地纷纷前来参观这棵树，