- litmusn. 石蕊 litmus paper 石蕊试纸
litmus test [化]石蕊试验；立见分晓的检验办法
- litmus paper石蕊试纸
- paperpiece of paper 一张纸
paper mill n. 造纸厂
on the paper 在纸上
white paper 白皮书；白纸
test paper 试纸；测验试卷；供检定笔迹的文件
- papering废纸
a piece of paper 一张纸
paper mill n. 造纸厂
on the paper 在纸上
white paper 白皮书；白纸
test paper 试纸；测验试卷
- test paper试纸；测验试卷；供检定笔迹的文件
- Doctor of Philosophy博士学位（等于doctorate）；博士（等于Ph.D.）；哲学博士（等于Ph.D.，D.Ph或D.Phil）
doctor of philosophyn. 哲学博士
- have a seatph. 坐下
- indicatorindicator 流量指示器
ph indicator 酸碱指示剂
pressure indicator 压力指示器
temperature indicator 温度指示器
direction
- pHph value PH值，酸碱度
ph meter 酸度计；氢离子计
ph indicator 酸碱指示剂
- phenoln. [化]石碳酸，苯酚
phenol red [化]酚红；[化]苯酚磺酞（用作PH指示剂和肾功能测定剂）
phenol resin 酚树脂；酚醛尸
free phenol 游离酚；单体酚
- philosophydoctor of philosophy D.）；博士学位（等于doctorate）；哲学博士（等于Ph.D.，D.Ph或D.Phil）
practical philosophy 实践哲学，实际哲学
- picohenryn. (PH)微微亨
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