| 词汇 | tractor |
| 释义 | tractor noun[ C ] uk /ˈtræk.tər/ us /ˈtræk.tɚ/ C2 a motor vehicle with large back wheels and thick tyres, used on farms for pulling machinery拖拉机 The wheels of the heavy tractor furrowed the soft ground.重型拖拉机的轮子在柔软的土地上压出了车辙。 A tractor pulled the trailer full of hay bales. We had to use a tractor to pull the car out of the mud. Farm vehicles & equipment all-terrain vehicle ATV binder Caterpillar tractor combine goad harrow harvester milker milking machine planter plough ploughshare reaper scarecrow seeder sifter sorter spreader yoke tractor | American Dictionarytractor noun[ C ] us/ˈtræk·tər/ a motor vehicle with large back wheels and thick tires that is used on farms for pulling heavy loads and machinery Examples of tractortractor An adaptive steering controller for automated steering on agricultural tractors with an electrohydraulic steering system was evaluated as a possible solution for tractor steering. Beds were prepared by tractor and were 25 cm in height. In the sugar fields, oxen replaced tractors in hauling cane to the mills, and bagasse was used as fuel to conserve oil. Not substitution that would be justified in the absence of the additional track going in front of the tractor. This paper will focus on grass-clover leys for biogas-based electricity and rapeseed oil as replacement for tractor diesel. The validation of the steering controller was conducted on both the steering simulator in the laboratory and on the tractor traveling in the field. From there he made tractor traverses for elevation, ice thickness, and gravity measurements on the icecap. Agricultural tractors are often operating on changing terrain, with unpredictable operating conditions. We retain the instrumented version of the tractor variable for use in the labor demand model. An examination of tractor ownership in the sub-divisions of the central region shows a modest decline after 1931, followed by growth from 1934. Combines could cost up to $3,000 and the owner had also to purchase a tractor, and a truck to haul grain to the elevator. But if you have a tractor you can be able to cultivate in a shorter time and even sow while there is still moisture. Growing rapeseed on 10% of the land could produce bio-diesel to replace 50-60% of the tractor diesel used on the farm. When logging themselves, farmers generally used a farm tractor to yard harvested wood. However, on larger farms where tractors are used to prepare the ground, permanent mulch cover is uncommon8. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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