Pelargonaldehyde
壬醛
🗣️ 情景例句
Can you weigh this for me?
你能帮我称称这（包裹）吗？
In books,are embalmed the greatest thoughts of all ages.
伟大思想古今有，载入书中成不朽。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。