Catalyst fines
[化] 催化剂粉末
🧩 词语组成解析
n. 细骨料；粉末；罚款（fine的复数）
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
It's not four o'clock.
还没到四点呢。
It caused devastation by burrowing and by devouring the herbage which might have maintained millions of sheep and cattle.
它们在地下打洞，吃掉本可以饲养数百万头牛羊的牧草，给澳洲大陆造成了毁灭性的破环。