Benzac
草芽平, 多氯苯甲酸
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
Thereis no wool so white but a dyer can make it black.
羊毛再白，也能染黑。
That's my mother's brother.
是我妈妈的哥哥。