Alkanedioic acid
[化] 链烷双酸
🧩 词语组成解析
🗣️ 情景例句
There are abundant free materials available on the internet.
因特网上有丰富的免费资料提供。
Choice of the end covers choice of the means.
选择目的包含著选择手段。
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。