Peltogen
一種浮選劑
??? 情景例句
No.
沒有。
Save while you may, no morning sun lasts a whole day.
能節儉時就節儉，朝陽難照一整天。
How interesting! said Ann. It makes me feel thirsty!
“真有趣！”安說，“都讓我覺得口渴了！”