Aldehydes
[医]醛
🗣️ 情景例句
You'll like her, she is super.
你一定喜欢她，她好极了。
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。