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单词
litmus paper
释义
litmus paper
n.
(名词)
An unsized white paper impregnated with litmus and used as a pH or acid-base indicator.
石蕊试纸:未定尺寸并浸满石蕊的白纸,可用作Ph值或酸-碱显示剂
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更新时间:2025/6/4 14:06:45