Allenes
二烯烃
🗣️ 情景例句
Based on my skills and experience, I am looking for four thousand a month.
根据我的能力和经验，我希望月薪是4000元。
What's the name of the cat?
这猫叫什么名字？
They finally found a small gold coin which was almost worthless.
但最后找到的是一枚几乎一钱不值的小金币。