Ethanal
乙醛
🗣️ 情景例句
There's been a car accident, please call the police.
这发生了车祸，请快报警。
Why didn't you go?
为什么你不去？
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。