Ethylpentane
乙基戊烷
🗣️ 情景例句
It's a wonderful opportunity, Richard.
这是一个好机会 Richard。
What are you talking about?
你在说些什么？
English is spoken as a first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
在美国、英国、加拿大、澳大利亚和新西兰，大多数人都把英语做为第一语言。