Ketosubstrate
酮基底物
🗣️ 情景例句
OK.
好。
Wit once bought is worth twice taught.
亲身一次的经验，抵得上老师两次的教导。
The idea that modern art can only be seen in museums is mistaken.
那种认为现代艺术只能在博物馆里才能看到的观点是错误的。