動(dòng)詞 irrigate:

1. supply with water, as with channels or ditches or streams
   同義詞：water
2. supply with a constant flow or sprinkling of some liquid, for the purpose of cooling, cleansing, or disinfecting

1. We have irrigated the desert area to make it fertile.
   我們已經(jīng)灌溉了荒蕪地區(qū)使它肥沃。
2. They are irrigating with water.
   他們正用水灌溉土地。

ir.ri.gate

v.（動(dòng)詞）
ir.ri.gat.ed,ir.ri.gat.ing,ir.ri.gates
v.tr.（及物動(dòng)詞）
To supply (dry land) with water by means of ditches, pipes, or streams; water artificially.
灌溉：通過溝渠，水管，或小溪給（干地）提供水；人工澆水
To wash out (a body cavity or wound) with water or a medicated fluid.
沖洗：用水或藥液來清洗（體腔或傷口）
To make fertile or vital as if by watering.
滋潤：仿佛用水澆灌的方式使…變得肥沃或充滿活力
v.intr.（不及物動(dòng)詞）
To supply land with water artificially.
人工灌溉：給土地人工澆水

來源：
Latin irrig3re irrig3t-
拉丁語 irrig3re irrig3t-
in- [in] * see in- 2
in- [在里面] *參見 in-2
rig3re [to water]
rig3re [澆水]

【引伸】
ir.riga.tion
n.（名詞）
ir.riga.tional
adj.（形容詞）
ir.riga.tor
n.（名詞）