Phenolphthalein
n. 酚酞\\n[化] 酚酞
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
What were you doing this time last year?
去年这时候你在干什么？
Ours is a fairly new country, so our cities and towns are modern.
我们的国家是个很新的国家，所以我们的城镇很现代化。