one of the very small structures like thin strings in the nuclei (= central parts) of animal and plant cells. Chromosomes carry the genes. 染色体 Humans have 23 pairs of chromosomes in their cells. 人类的细胞中有23对染色体。
Oxford Collocations DictionaryChromosome is used after these nouns:- sex
Word Originlate 19th cent.: coined in German from Greek khrōma ‘colour’ + sōma ‘body’.