Butynoic acid
[化] 丁炔酸
🧩 词语组成解析
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
Imagination is sometimes more vivid than reality.
想像有时比现实生动得多。
I have one here, Mr. Wu.
我这里有一把，吴先生。