Oxynitration
羟硝化作用(同时加上羟基和硝基)
🗣️ 情景例句
our talks about custom-designed dresses for the boutique?
我们曾经谈过为时装店设计订做的服装吗?
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
still persists, however; and it is as fierce as it ever was.
依然在进行着，而且和以前一样激烈。