Tetartohedrism
四分对称性
🗣️ 情景例句
You're quite the artist!
你还真像个艺术家。
He has a radio,doesn't he?
他有一台收音机，对不对？
lack of physical and mental energy, both of which are essential in turning out and throwing away, and sentiment.
一是体力，精力均告不佳，这二者是清除无用的东西必不可少的因素；另一原因是感情因素。