Ketoisocaproate
酮异已酸(盐, 酯)
🗣️ 情景例句
Hail to the conquering heroes,
向进取的英雄们致敬，
It's a small world.
这世界真小。
Oh! Is that a ball? Aren't all balls round?
噢，那是个球吗？难道所有的球不都是圆的吗？