Tetragonal
a. 四角形的
??? 情景例句
It looks wonderful.
看起來很好看。
He gets more professional satisfaction from teaching.
從事教育職業，他更感受到職業上的滿足。
The pictures it sent us were very disappointing because its main mirror was faulty!
它傳送給我們的圖像很令人失望，因為它的主要鏡子有誤差。