trial run

US /ˈtraɪəl rʌn/

UK /ˈtraiəl rʌn/

A1 初級
n.名詞試運行
We did a trial run of the new system before launching it.
n.名詞預演
The actors had a trial run of the play before the premiere.
n.名詞試驗性運作
The company conducted a trial run of the marketing campaign in a small region.

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01 英語詞彙使用高級單元 1-4 (01 English Vocabulary in Use Advanced Unit 1-4)

11:2201 英語詞彙使用高級單元 1-4 (01 English Vocabulary in Use Advanced Unit 1-4)