您要查找的是不是：
- A water pipe is hollow. 水管是空心的。
- A iron bar is solid,a pipe is hollow. 铁条是实心的，管子是空心的。
- A iron bar is solid, a pipe is hollow. 铁条是实心的，管子是空心的。
- A iron bar is solid; a pipe is hollow. 铁条是实心的， 管子是空心的。
- A bar of iron is solid; a pipe is hollow. 铁棍是实心的, 而管子是空心的。
- The outlet of a water pipe was blocked. 水管的出水口堵住了。
- The road workers accidentally severed a water pipe. 马路工人不小心切断了一条水管。
- The water pipe is getting rusty. 水管正在生锈。
- You should never join an electric wire to a water pipe. 你永远也不要把电线连接到水管上。
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- A water pipe that consists of a bottle or a vertical tube partially filled with liquid and a smaller tube ending in a bowl, used often in smoking narcotic substances. 水烟枪一种用部分盛液体的瓶或垂直管和一根接在木球上的小管做成的盛水管，经常用来吸麻醉物品
- The leaves clog our drains in the Fall; The water pipe is backed up. 秋天树叶堵塞了我们的排水沟。
- The city worker won praise for his detection of a break in a water pipe. 这位市政工人因发现水管漏水而受到表扬。
- First the lights fused, next a water pipe burst, and then, to cap it all, part of the celling fell down. 先是电灯的保险丝烧断了，接着有一根水管裂开了，随后，更糟的是部分天花板垮了下来。
- A tennis ball is hollow,but a base ball is solid. 网球是空心的，但棒球是实心的。
- First the lights fused,next a water pipe burst,and then,to cap it all,part of the celling fell down. 先是电灯的保险丝烧断了，接着有一根水管裂开了，随后，更糟的是部分天花板垮了下来。
- The trunk of a palm tree is hollow. 棕榈树的树干是中空的。
- You may have seen a water pipe that has burst because water inside it has frozen. 你也许看到水管因其内部的水结冰而胀裂的情形。
- Near Basra, ICRC contractor was repairing a water pipe after it was dammaged by an explosion during the war. 在巴士拉附近，红十字国际委员会正维修一条被战火破坏的水管。
- If cooling sea water pipe is provided for deck machinery, wash deck lines shall be commonly used for cooling line. 若给甲板机械按照海水冷却管，则可共用甲板冲洗管路作为冷却管路。
