Pentrinitrol
[化] 戊硝醇; 三硝季戊四醇; 季戊四醇三硝酸酯
🗣️ 情景例句
How was your weekend?
你们的周末过得怎么样
Say again?
在说一次！
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。