an irrigation canal

• 一条灌溉渠

an irrigation canal的用法和样例：

例句

1. Alongside each irrigation canal a drainage ditch was dug.
   沿着每一条灌溉渠，他们还挖了一条排水沟。
2. With this irrigation ditch, we don't have to worry about irrigating the crops any more.
   有了这条灌溉渠，我们再也不用为庄稼的浇灌发愁了。