Isobutylidene-acetone
[化] 异亚丁基丙酮
🧩 词语组成解析
[化] 亚异丁基
n. 丙酮\\n[化] 丙酮
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
First come first served.
先到先得。