Modifier + 大坝
大坝 (dàbà) means "dam" and refers to a large barrier built across a river or waterway to control water flow. It combines 大 (large) and 坝 (dam/embankment). It is the standard term used for major dam structures and commonly appears in news and engineering contexts.
三峡大坝是世界上最大的水利工程之一。
sānxiá dàbà shì shìjiè shàng zuì dà de shuǐlì gōngchéng zhī yī.
The Three Gorges Dam is one of the largest hydroelectric projects in the world.
这座大坝为周围的农田提供了灌溉用水。
zhè zuò dàbà wèi zhōuwéi de nóngtián tígōngle guàngài yòngshuǐ.
This dam provides irrigation water for the surrounding farmland.
大坝建成以后,下游的洪水问题得到了缓解。
dàbà jiànchéng yǐhòu, xiàyóu de hóngshuǐ wèntí dédàole huǎnjiě.
After the dam was completed, the flooding problem downstream was alleviated.