Pretreatment
n. 预处理\\n[化] 前处理; 预处理
🗣️ 情景例句
We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证，凭装运单据结汇付款方式。
I was raised on rice in the South.
我在南方吃米饭长大。
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。