trailed moldboard plow

例句：

1. 1.The farmer used a trailed moldboard plow to break up the frozen soil.
   农民使用拖曳式木制犁来打破冻土。
2. 2. The tractor was equipped with a trailed moldboard plow, which helped to loosen the snow.
   拖拉机配备了拖曳式木制犁，这有助于松动雪。
3. 3. The farmer used the trailed moldboard plow to clear the way for planting new crops.
   农民使用拖曳式木制犁为种植新作物开辟道路。