沟

• There are usually no dorsal pores in the first few intersegmental grooves .
  身体前几个节间沟内经常无背孔。
• From a practical standpoint, rill erosion forms small channels .
  从实用的观点看，细沟侵蚀能形成很小的渠槽。
• Thus it created a conductive n channel between the source and drain .
  这样在源和漏之间就产生了一个导电的n型沟道。
• He stood a moment irresolutely prodding the much in the ditch .
  他犹豫不决地站了一会儿，用手杖扒拉一阵沟里的东西。
• He stood a moment irresolutely prodding the muck in the ditch .
  他犹豫不决地站了一会儿，用手杖扒拉一阵沟里的脏东西。
• The chances are all against his ever having another opportunity to cut a ditch .
  他便绝对没有希望再得到掘沟的机会了。
• The horse stumbled in a rut, then swerved aside and broke into a gallop .
  马在沟里颠簸了一下，接着歪到一边，飞跑起来。
• He skipped briskly over the fence, and made for an overgrown ditch and bank .
  他轻巧地跳过篱笆，走向一个长满荒草的沟。
• The sewer carried wastewater from a home housing one suffering from the disease .
  污水沟把一家含有疾病的水带到另一家住宅。
• Atoms of a row are comfortable in each trough between the atoms of the neighbouring row .
  一排原子安处在邻排原子之间的凹沟里。