Mathematicasis
数学术
🗣️ 情景例句
young and old.
不管是年轻的， 还是年老的。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
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。