Diadaxis
二次对称轴
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
The moon is not seen where the sun shines.
小巫见大巫。
to study his image in the sight of those who do not know him,
企图用不了解自己的人的观点来研究自己塑造的形象的作法，