Phthalaldehyde
苯二醛(通常指邻苯)
🗣️ 情景例句
We'll spend many more weekends like this.
我们以后可以多度几次这样的周末。
Excuse me I couldn't write you sooner.
对不起我不能尽快给你写信。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。