Mr. Perry had remonstrated with him about it.关于这一点伯里先生还规劝过他.Cut it out, Perry. You've performed your heroics. It's all over now.住手吧，佩里。你已经逞过英雄了。现在一切都结束了。Mr Perry made a note in his book...佩里先生在他的书上作了一个注解。Perry ...
第十一节有一对分节的附肢, 即尾须.The 11 th segment carries a pair of segmented appendages, the cerci.任何分节的违反都应予以惩罚.Any violation of subsection shall be punishable.脊索动物两侧对称 、 胚层,分节的体腔,在胚胎发育的早期过程中,显示为后口类型.Chordates are bilaterally symmet...