Nonproductive operation
[化] 辅助操作
🧩 词语组成解析
a. 非生产性的, 对生产无直接关系的
🗣️ 情景例句
I'm not full yet.
我还没吃饱呢！
The house needs painting.It's in bad condition.
房子需要上油漆。房子的情况很糟糕。
The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.
大陆是崎岖不平的高地，高出辽阔海洋海底近三英里。