Parapectic acid
[化] 果胶糖酸
🧩 词语组成解析
🗣️ 情景例句
I'm sure Rita Mae will understand
我相信Rita Mae会理解的
If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
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。