irregular weir

例句：

1. 1.The irregular growth pattern of the plant is a concern for gardeners.
   这种植物不规则的生长模式让园丁们感到担忧。
2. 2.The irregularities in the data led to a delay in the decision-making process.
   数据中的不规则现象导致决策过程的延误。
3. 3.The irregular weir was designed to divert water from the river without affecting its natural flow.
   这个不规则的堤坝被设计用来从河流中引导水，而不干扰其自然流动。