an·en·ceph·a·lus英'eɪnɪnkefələs美'eɪnɪnkefələsBNC¹⁰⁴⁵⁸⁴⁺⁶ 基本例句 无脑畸胎¹⁰⁰ Anencephalus was used as a natural experimental model for studying the relation between the development of thymus and the central nervous system. 以无脑儿作为天然实验材料，观察胎儿脑腺发生与中枢神经系的关系。 cnki