单词	phthalin
释义	phthalin noun phthal·​in ˈthalə̇n plural -s : any of a group of colorless compounds obtained by reduction of the phthaleins into which they are easily reconverted by oxidation especially : the compound C20H16O4 from phenolphthalein Word History Etymology International Scientific Vocabulary phthal- + -in
随便看	he must be joking he who hesitates is lost he who laughs last, laughs best he who pays the piper calls the tune he'd he'll he's he's joking he's on he's your man he-balsam he-huckleberry he-man he-men he-oak he/she hea head head and front head and shoulders head and shoulders above head betony head blight head blighting head boy

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