Tetrachlorophenolphthalein
四氯酚酞
🗣️ 情景例句
What do you often eat for supper?
你晚饭通常吃什么？
He is a good friend that speaks well of us behind our backs.
背后说人好话的够朋友。
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。