Catalyst pretreatment
[建] 催化剂预处理
🧩 词语组成解析
n. 预处理\\n[化] 前处理; 预处理
🗣️ 情景例句
Take care of yourself.
多保重。
It is never too old to learn.
为学不怕年高。
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。