Reduction operation（）：n. - 完整释义与助记

🧩 词语组成解析

reduction [rɪ'dʌkʃən]

n. 减少;降低;[数学]约简;[摄影术]减薄;

reduc=reduce减少+tion名词后缀→减少，缩减

operation [,ɑpə'reʃən]

n. 操作，经营;手术;[数]运算;作用;

oper 工作 + ation 表示行为、状态、过程 → n.操作；手术；运算

But I'm sure he has a few bags with him on the train.

不过我相信他在火车上还有几件行李的。

Just to be on the safe side.

为了安全起见。

She guided the tourists around the castle.

她引导旅游者参观了这座城堡。

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