Phenylenediamine
苯二胺
🗣️ 情景例句
How come he never got married?
为什么他不结婚？
Let every man praise the bridge he goes over.
饮水思源。
But people who are cut off not only from foreign tourists, but even from their own countrymen can be hostile to travellers.
但是，那些不但与外国旅游者隔绝，而且与本国同胞隔绝的人们有可能对游客抱有敌意。