例句與造句

1. African farmers from the " Rice Coast " brought the skills for cultivation and tidal irrigation that made rice farming one of the most successful industries in early America.
2. An important aspect of Vietnamese culture by the sixth century B . C . was the tidal irrigation of rice fields through an elaborate system of canals and dikes.
3. This category includes tidal irrigation used in the lower part of rivers where the tidal influence is felt by permitting the river water to enter ditches at high tide and allowing it to infiltrate from there into the soil
4. It's difficult to find tidal irrigation in a sentence. 用tidal irrigation造句挺難的