Diprofene
地普罗芬
🗣️ 情景例句
How long is this flight?
这趟飞行有多长时间？
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。