Said invention is simple and reasonable in structure, can be well matched with farmmotor tricycle for use, and the depth of ploughing can be regulated and controlled, so it has extensive application.
本发明结构简单合理，能很好地与三轮车配套应用，入土深度可调而且深浅一致，有广泛的推广应用前景。
2
I looked at my dad, his knuckles swollen and cracked from farm work and his fingernails tipped with black crescents of motor oil.
我看着我爸爸，他的指关节因农活而肿胀开裂，他的指甲尖被机油染成了一轮黑色的新月。
3
The mailman would arrive on a motor-scooter, sputtering up the switchbacks of the driveway; the farm plow was horse-drawn.