Pentamethine
[有化]五甲炔花青
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
Oh! Look who's coming?
哟！看看是谁来啦？
They are bananas.
这些是香蕉。