Phenylpropanolamine
n. 苯丙醇胺（一种血管收缩和中枢神经兴奋药）
🗣️ 情景例句
He's a little quiet.
他有点沉静。
I opened all the doors.
我打开了所有的门。
It was still early when I returned home.
我回到家时，时间还早。