Eteline
四氟乙烯
🗣️ 情景例句
Good morning, Mr. Tao.
早上好，陶先生。
Old wood is best to burn,old book to read.
老柴好烧，老书宜读。
and for several days will probably refuse all food through anger and fear.
甚至一连几天由于愤怒和恐惧而拒绝进食。