| 释义 |
outer field
基本例句
adj.外层的
用作形容词It appears that the outer ditch was dug with wooden and bone implements.有迹象表明外层的壕沟是由木制和骨制的工具挖成的。
The rearrangement of the blastula into a three-dimensional organism with inner, middle, and outer layers occurs during gastrulation.在原肠胚形成过程中，囊胚重新排列，形成包括内层，中层，外层的三围组织。 |