- 双语例句
1、
It was surprising when the alkali spectra showed unmistakable doublets.
当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的.
辞典例句
2、
The envelope is called a double of doublets.
这种峰叫做双合双重线.
辞典例句
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