Heptynoic acid
[化] 庚炔酸
🧩 词语组成解析
🗣️ 情景例句
Why can't you do both?
为什么不能两样一起做？
The computer industry is booming.
计算机业繁荣起来。
The sandwiches are all ready, said her mother. I made some dumplings last night, too!
“三明治全都做好了，”她妈妈说，“昨晚我还做了一些饺子哩！”