例文
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- The first artificial levees and canals were built in early colonial times.
- Like artificial levees, they act to reduce the likelihood of floodplain inundation.
- It is an artificial levee that divides the water into inner and outer streams.
- Artificial levees block spring flood water that would bring fresh water and sediment to marshes.
- Artificial levees have been built to keep out rising river and lake waters but have had the negative effect of keeping rainfall in.
