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
I'd like to ask for your daughter's hand in marriage.
我希望你能把女儿许配给我。
More die by food than by famine.
饥馑而死的少，饱食而死的多。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；