Dihydroxy cyclobutenedione
[化] 方形酸; 二羟基环丁烯二酮
🗣️ 情景例句
Let's have a talk about it in advance.
我们事先商量一下。
Please show me a better one.
请给我看一件好一点的衣服。
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。