Phthalidyl
2-苯并[C]呋喃酮亚基
🗣️ 情景例句
I bet I can go one hour in your class this morning and not feel a thing!
我打赌我今天上午到的健身班运动一小时之后丝毫不累。
His extension number is 285.
他的分机号码是285。
Can't you hear anything?
你没听见什么吗？