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
Follow me, please.
请跟我来。
He that knows nothing,doubts nothing.
无知即无疑。
and rushing passionately past boulders and over waterfalls.
接着热情奔放地冲过巨石，飞下瀑布。