gill bar

例句：

1. 1. The fishermen used to set up gill bars to protect their nets from the fish.
   渔民过去会设置鱼栅来保护他们的渔网免受鱼类的破坏。
2. 2.The old house had a wooden gill bar in front of it.
   那所旧房子前面有一根木制的栅栏。
3. 3.The farmer had to install a new gill bar after the storm damaged the old one.
   暴风雨过后，农民不得不安装一个新的鱼栅。