track-train interaction 列车与线路相互作用
bridge-train interaction 车桥耦合
train-bridge interaction 车桥相互作用
train-track interaction 车轨相互作用
interaction between train and railroad 车桥相互作用
train interaction
火车交互
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It was part of his experimental approach, not without controversy in his profession, to train them for domestic chores and simple tasks that required their interaction with normal people.
NEWYORKER: Wakefield
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