Thmolsulfonphthalein
[建] 瑞香草酚蓝
🗣️ 情景例句
my sister and her husband and their daughter.
我妹妹Susan和她丈夫以及他们的女儿。
You won't regret it.
你不会后悔的。
I'm fine, too, thanks.
我也挺好的，谢谢！