Thmolsulfonphthalein
[建] 瑞香草酚蓝
🗣️ 情景例句
We never intended that she get involved.
我们从没打算把她牵扯进去。
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
John asked Grace to marry him，
约翰向格雷斯求婚。