有些生产者用犁犁一条或挖一条蓄水带.Some growers have ploughed out or scooped out a trip which serves to hold additional water.肌肉质的足常常与(软体动物)运动或挖洞有关.A muscular foot is usually involved in locomotion or burrowing.不要建造建筑或器具或挖田 、 壕沟.Do not b...