单词	外细胞层
释义	外细胞层1. [Biology] an ectoderm
随便看	nonrecurring engineering，nre nonrecurring gain nonrecurring income nonrecurring profit and loss nonrecursive adaptive nonrecursive digital filter nonrecursive digital filter，nrdf non-recursive model non-recursive residual nonrecursive system representation nonrecyclable non-redeemable nonredeemable nonreducing non-reducing disaccharides non-reducing sugar non-reduction nonreduction non-reduction (belling 1925) nonredundant nonredundant coding nonredundant segment nonredundant system nonreentrant non-reentrant type