Nitroaromatic
硝基芳香化合物
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
I will go to the airport.
我将去飞机场。
The doctor looked over Mrs Brown very carefully.
医生非常仔细地给布朗夫人作了检查。