Dinitrate
二硝酸盐
🗣️ 情景例句
She makes a good living as an author.
她靠当作家过着优裕的生活。
Because such constructive employment practices will greatly promote a better understanding of both American and Chinese cultures.
因为这个具有建设性的雇佣体系将会有力地推进对中美双方文化的更好了解。
The most wonderful piece of machinery on show was Nasmyth's steam hammer.
其中最奇妙的是内史密斯的蒸汽锤。