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- The majority of boys was in mesomorph and ectomorph. 男孩大多属中、外胚层体型；
- Of or relating to an ectomorph. 瘦型体质者的或与之有关的
- "ectomorph:an individual having a lean, slightly muscular body build in which tissues derived from the embryonic ectoderm predominate." 瘦型体质者:由胚胎胚层发育而成的组织形成的瘦型的、肌肉不发达的人.
- ectomorphn. 瘦长而肌肉不发达的人
- ectomorphy 瘦型体质
- ectomorphy type 外胚叶型
