Ecton
[医]乙巴酰脲（镇静、安眠药）
🗣️ 情景例句
Look,
看，
Who is the auther of this short story?
谁是这短篇故事的作者？
He was rather elderly with grey hair and clear blue eyes.
他上了年纪，有着灰白的头发和明亮的蓝眼睛。