Alkynes
[化] 炔烃
🗣️ 情景例句
How about the price list? Does it have a guarantee to go with it?
价格表呢？有没有附保证书呢？
The designer is working hard on a new project.
设计师在努力筹划新颖的设计项目。
This time, she will be a girl of seventeen.
这一次，她将扮演一个17岁的少女。