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- 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。
- dorsoventral axis 背腹轴,腹背轴
- 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。
- 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。
- 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。
- Having or mounted on a common axis. 同轴的有或装上共同轴的
- 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。
- He hacked the box apart with the ax. 他用斧头把盒子劈开。
- I'd like to see what chance I could find to trade off my ax handles. 我要看看我能找个什么机会卖掉我这些斧头柄。
- Several of our plans got the ax when the new government came in. 新政府上台后，我们有几个计划被砍掉了。
- A groove or notch made by a cutting tool, such as a saw or an ax. 锯缝，劈痕切割型工具如锯或斧子所制造的沟槽或凹口
- A handle of a tool, such as an ax, a chisel, or a hammer. 柄工具的手柄，如斧头、凿子或锤子的柄
- The earth's axis is the line between the North and South Poles. 地轴是南北极之间的线。
