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- dorsal ventral axis 背腹轴
- Flattened along the dorsal and ventral surfaces. 匍匐的沿着背部和。
- In the posterior segment, its dorsoventral axis was the longest, and could be divided into two parts: the dorsal and the ventral parts. 后段的背腹径最长，可分为背侧部和腹侧部，两部分的细胞分界清晰。
- In the posterior segment, its dorsoventral axis was the longest, and could be divided into two parts: the dorsal and the ventral parts.The boundary of the two parts was clear. 后段的背腹径最长，可分为背侧部和腹侧部，两部分的细胞分界清晰。
- Conclusion The Pth is a long, narrow and flat structure;its rostrocaudal axis is longer than its dorsoventral axis, and its dorsal edge is smoother than its ventral edge. 结论 皮质加厚区为一吻尾径长于内外径的狭长片状结构， 背侧缘较腹侧缘平滑；
- The heavy ax was awkward to use. 这把重斧头不好用。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- The firemen splintered the door with an ax. 消防队员们用斧头将门砸开。
- dorsal ventral development 背腹发育
- Does the earth rotate on an axis? 地球是绕轴旋转的吗？
- A wheel revolves round/on its axis. 轮子是绕轴旋转的。
- The man cleft a block of wood in two with an ax. 那人用斧头把一块木头劈成两半。
- dorsal ventral gradient 背腹梯度
- John got the ax from Mary-they won't see each other again. 约翰被玛丽拒绝了－他们从此不再来往。
- dorsal ventral side 背腹面
- Having or mounted on a common axis. 同轴的有或装上共同轴的
- We shall now examine the ventral plates of this serpent, not the dorsal side. 我们现在来仔细观察这条蛇的腹鳞,不是背面。
- The shark's dorsal fin was cut off by the fisherman. 鲨鱼的背鳍被渔夫割了下来。
- Next to or facing the main stem or axis. 近茎轴一侧的紧挨着主茎或轴的，面向主茎或轴的
- The hunter cut off the animal's head with one chop of an ax. 猎人一斧砍下猎物的头。
