Fluorophenylalanine
氟苯丙氨酸
🗣️ 情景例句
He's quiet now.
他现在很安静。
He always finds fault with everything.
他总是找任何事情的毛病。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！