Things - car, bus, truck, boat, train, bed, desk, doll, bell, drum, table, book, spoon, knife, fork, door, clock, chair, bench, stool, brush, comb, sock, shoe.

物体-小汽车，公共汽车，卡车，轮船，火车，床，桌子，娃娃，铃，鼓，桌子，书，匙，小刀，叉子，门，钟，椅子，长椅，工具，刷子，梳子，短袜，鞋。

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Elastic deformation is an important influential factor of indexing accuracy and loading capacity of end-tooth indexing table with drum tooth.

齿廓弹性变形是影响鼓形齿端齿盘精度和承载能力的重要因素。

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Our teacher used to drum our multiplication table into us.

我们老师过去老是让我们反复背诵乘法表。

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