Tetrachlorophenolphthalein
四氯酚酞
🗣️ 情景例句
a way to encourage reading.
鼓励阅读的办法。
Many great men have arisen from humble beginnings.
有许多伟人出身卑微。
Hmm! That's a bit expensive. Can I try them on, please?
嗯！就是贵了一点儿。我可以试穿一下吗？