Butylene-2
[建] 丁烯-2
🧩 词语组成解析
n. [化]丁烯
🗣️ 情景例句
Yes, Charles Maxwell.
是的， 我是Charles Maxwell。
We would like to know how you will pack the silk shirts.
我们想知道你们如何包装这些真丝衬衫。
Don't cry, I said. I talked to her. But she looked at me and cried harder and harder.
“别哭呀！”我跟她说话，可是她看着我，哭得越来越厉害了。