Cyancarbonic acid
[化] 氰甲酸; 氰代甲酸
🧩 词语组成解析
🗣️ 情景例句
Whose turn is it to wash the dishes today?
今天轮到谁洗碗？
It is the first step that costs.
万事开头难。
The answer is zero.
白忙了。