我的儿子有火车及配件，卡车或拖拉机和书籍。
My son has trains and accessories, the random truck or tractor, and books.
用卡车或拖拉机拖动的大的运输工具。
A large transport vehicle designed to be hauled by a truck or tractor.
比方说，许多邀请是为争取修建公路或提供拖拉机的合同。
Many invite bids for a contract to build a road, say, or provide tractors.
比方说，许多邀请是为争取修建公路或提供拖拉机的合同。
Many invite bids for a contract to build a road, say, or provide tractors.
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