Quadrol
乙二胺
🗣️ 情景例句
His collection of paintings is most impressive.
他的绘画收藏令人叹为观止。
I get up at 8 every morning.
每天早上我8点起床。
When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield.
当飞机到达时，一些侦探等候在主楼内，另一些侦探则守候在停机坪上。