Squaric acid
[化] 方形酸; 二羟基环丁烯二酮
🧩 词语组成解析
🗣️ 情景例句
Hi.
嗨。
I feel terrible about it.
太对不起了。
they are in that condition of eager discomfort which passes for inspiration;
他们处于急切不安的状态，而这被当作是灵感。