portable trough

例句：

1. 1. The farmers used to use this portable trough to collect rainwater for their crops.
   农民过去使用这个便携式沟渠来收集雨水供他们的庄稼。
2. 2.The construction workers had to move the portable trough to avoid blocking the road.
   建筑工人不得不移动便携式沟渠，以免阻碍道路。
3. 3. The portable trough was designed to be easily transported and set up in any location needed.
   便携式沟渠设计得便于运输和设置在需要的任何地点。