农民们用滴灌系统给果园浇水。
The farmers ___irrigate the orchard with a drip system.
护士用生理盐水冲洗病人的伤口。
The nurse used saline solution to ___irrigate the patient's cut.
农民们用沟渠系统给稻田供水。
The farmers ___irrigate the rice fields using a system of ditches.
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