Dihydroxy cyclobutenedione
[化] 方形酸; 二羟基环丁烯二酮
🗣️ 情景例句
I have room reserved.
我已订了房。
The building of the new road has been held up by bad weather.
这条新马路的修筑因天气恶劣而受阻。
I feel a little afraid, said Kate. I'm sure I can smell something.
“我感到有点害怕，”凯特说。“我敢肯定我觉察到什么了。”