Obtusin
二羟基三甲氧基甲基葸二酮, 纯菇菌素
🗣️ 情景例句
How come you speak such good English?
你为什么能说这么好的英语呢？
Crows do not pick crow's eyes.
同室不操戈。
No! I mean, have you seen how dirty the water is? It looks as if it isn' t clean enough to bathe here.
不！我的意思是您有没有看见海水有多脏？看起来海水好象不干净，不能游泳。