It was surprising when the alkali spectra showed unmistakable doublets.
當(dāng)堿金屬光譜顯示出不容懷疑的雙線(xiàn)結(jié)構(gòu)時(shí),是令人驚奇的.
辭典例句
The envelope is called a double of doublets.
這種峰叫做雙合雙重線(xiàn).
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