Triad prototropy
[化] 三原子互变体系
🧩 词语组成解析
triad
['traiæd]
n. 三个一组;三幅一组;三和音;
质子移变(作用)
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
My country is rich in natural resources.
我国自然资源丰富。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。