排水管

The drain was choked up with dirt.

被污物堵住了。

The drainage of the city is not good, some of the pipes are broken.

这个城市的系统不好, 有些都破裂了。

Isrel businessman wants to import drainpipe, asbestus, and alluminum alloy material.

以色列商人求购（三元乙丙橡胶制）、矿（石）棉、铝合材料。

Down came the rain and washed the spi-der out . out came the sun and dried up all the rain , And the een-sey spi-der , went up the spout a – gain .

一阵雨落下来，冲下小蜘蛛。太阳出来了，晒干了雨，依依歪歪小蜘蛛，又爬上了。