Nitroaromatic
硝基芳香化合物
🗣️ 情景例句
However, through my experience in business at home and abroad.
但从事国内外的商业的经历中。
Without a friend the world is a wilderness.
没有朋友，世界就等于一片荒野。
He holds a position of great responsibility upon him.
他担任着一个责任重大的职务。