Formoxy
[机] 醛氧基
🗣️ 情景例句
Can you weigh this for me?
你能帮我称称这（包裹）吗？
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
Many offices use answering machines to give information.
许多办公室使用留言机来提供信息。