Biformyl
[化] 乙二醛
🗣️ 情景例句
I have to turn off the lights,
我得关掉灯，
As the old cock crows, so doth the young.
有其父必有其子。
An aeroplane offers you an unusual and breathtaking view of the world.
飞机上，你可以观察世界上非同寻常的奇妙的美景。