irrigate
词根词缀：
irrigate v. 灌溉
ir 向内，进入 + rig 浇水 + ate 做，造成，使… → 让水进入 → 灌溉
irrupt v. 闯入
ir 向内，进入 + rupt 断 → 打断进入 → 闯入
irruption n. 闯入
irrupt的名词
irradiate v. 照射
ir 表加强 + radi 光线，辐射 + ate 做，造成，使… → 照射
irritate v. 激怒；刺激
ir 表加强 + rit 擦 + ate 做，造成，使… → 摩擦 → 激怒
数据来源：新东方英语词汇速记大全
相关例句：
They set to work and drilled enough pump wells to irrigate more land.
他们开始大干起来，打了足够的水泵井来灌溉更多的土地。
Growers can have an intricate watering system to irrigate their crops but they can't have running water inside the houses of workers.
农场主们利用复杂的地灌系统给庄稼浇水，而她们的工人家里却连自来水都没有。
These floods have been very useful because they irrigate the Nile Delta and deposit a rich layer of topsoil used for growing crops.
这些洪水一直非常有用，因为它们灌溉着尼罗河三角洲，沉积下厚厚的一层表土，可以用来种庄稼。
He also wants to use the water to irrigate barren desert land.
他也想用这些水灌溉荒漠。
The capability of irrigate water is on talent!
灌水这东西，很讲天分的！
The order includes a ban on using drinking water to irrigate ornamental landscaping on public streets.
该命令包括一项禁止使用饮用水灌溉公共街道上装饰性园林的禁令。