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单词
turmeric paper
释义
turmeric paper
n.
(名词)
Paper saturated with turmeric and used to detect the presence of alkalis, which turn the paper brown, or boric acid, which turns it red-brown.
姜黄试纸:一种用姜黄抽出液浸渍过的纸,用以测试碱性物质时试纸变成棕褐色,用来测试硼酸时,试纸变成红褐色
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recycling
red
red
red.
redact
redact
redacted
redacting
redaction
redactions
redacts
red alga
redbird
red blood cell
red blood corpuscle
red-blooded
redbreast
redbrick
redbud
actioning
action painting
Action Painting
action potential
actions
Actium
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更新时间:2026/2/10 16:01:44