| 单词 | thoraxes | 
| 释义 | thoraxnoun  tho·rax  ˈthȯr-ˌaks      plural thoraxes or thoraces ˈthȯr-ə-ˌsēz   1    : the part of the vertebrate body between the neck and the abdomen  If you count the vertebrae in the necks and thoraxes of mice and chickens, you will find that a mouse has seven neck and 13 thoracic vertebrae, a chicken 14 and seven, respectively.    also : thoracic cavity    The thorax is evaluated for fluid at the flanks and for pneumothorax anteriorly.   2    : the middle of the three chief divisions of the body of an insect  Of nearly a million described species of insects, none has a biramous appendage, and nearly all have exactly three pairs of limbs on the thorax.  This haunting pitch issues from drum tissue stretched over the thorax of the male annual cicada …    also : the corresponding part of a crustacean or an arachnid    The brown recluse spider … is brown and has fuzzy body hair and a dark violin- or pear-shaped band on the dorsum of its thorax.   thoraxes noun variants  or thoraces   as in abdomens   Synonyms & Similar Words Relevance     
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