Nitroaromatic
硝基芳香化合物
🗣️ 情景例句
He did everything within his power to achieve the goal.
他竭尽全力去实现目标。
Why isn't this ticket any good here?
为什么这里不可以使用月票？
A huge iceberg was suddenly spotted by a lookout.
突然，了望员发现一座冰山。