Dihydroxy cyclobutenedione
[化] 方形酸; 二羥基環丁烯二酮
??? 情景例句
It's almost certain that they'll get a divorce.
他們離婚幾乎已成定局。
I ate too much candy. I have a toothache.
我吃了太多的糖果。牙齒在痛哩。
Can I see your licence, please?
請讓我看看你的車證好嗎？