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tester

美音:[´testə ]点这儿播放单词美音发声
英音:[´testə ]点这儿播放单词英音发声
n.考试者,试验装置,检测器,华盖

难易程度:

tester为短语/超纲词汇

tester


n[C]
a person or piece of equipment that tests something
a small bottle of perfume1(1) etc, in a shop, for customers to try