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
I'll give him your message as soon as he's available.
他一有空我就转告他您的留言。
I would rather stay here.
我宁愿留在这里。
I immediately embarked on an experiment which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours.
我当即动手作了一项试验，这项试验尽管没有使我摆脱这些蚂蚁，却使我着迷了24小时。