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词汇 operational
词根词缀 词源:
1922, from operation. Related: Operationalization; operationalize.
词根记忆:
a.
操作的,运转的,起作用的,经营的The language laboratory is not operational yet.语言实习教室还不能使用.
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更新时间:2025/2/23 15:35:47