Diadaxis
二次對稱軸
??? 情景例句
My wife will love this jade necklace.
我太太一定會非常喜歡這條鑲玉的項鏈。
Tom graduated from college at a very young age.
湯姆很年輕就從大學畢業(yè)了。
And I want a large box of chalk, too.
我還要一大盒粉筆。