Tetrachlorophenolphthalein
四氯酚酞
🗣️ 情景例句
Oh, I'm so happy, Harry!
噢， 我太高兴了， Harry！
If you compare her work with his, you'll find hers is much better.
要是把他们俩的工作比较一下，你就会发现她的好得多。
OK. And we'd better ask Mom whether it's cheap enough!
好的。我们最好是问问妈妈价钱是否便宜！