Mmpa
abbr. Marine Mammal Protection Act 海洋哺乳动物保护法; mercaptomethylphosphonic acid 巯基甲基膦酸
🗣️ 情景例句
We have vegetables to prepare.
我们还得准备蔬菜。
He alone is happy who commands his passions.
只有控制感情的人，才会幸福。
What a pity!
真可惜！