Squaric acid
[化] 方形酸; 二羟基环丁烯二酮
🧩 词语组成解析
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
What do you do in your spare time?
空闲时间你干什么？
But they suddenly became the parents of quintuplets,
但是他们出人意料生了个五胞胎，