n. (pl.-raxes, -races ) 【动物；动物学】前胸；前胸节。 adj. -racic
the anterior part of an insect''s thorax; bears the first pair of legs
例句与用法
1.
The cervix is the flexib1e region between the head and prothorax . 颈是头部和前胸之间可曲的区域。
2.
Tell on the doctor of traditional chinese medicine , " 5 be perturbed are hot " it is control , arch , bosom in ( or prothorax or hind back ) calorific 中医上讲， “五心烦热”就是手心、脚心、胸中（或前胸或后背）发热。
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