Epoxybutane
氧化丁烯
🗣️ 情景例句
How wonderful! A boy or a girl?
太好了！ 男孩还是女孩？
Eugene could create beautiful images with his paints.
尤金能够把美丽的形象用画笔画出来。
We have all experienced days when everything goes wrong.
我们大家都有过事事不顺心的日子。