... backward spring ==> 反向弹簧,延缓弹簧,回程弹簧 backward stagger ==> 后向斜罩 backward station method ==> 反向测点法 ...
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The older woman took a few aimless steps and stared vacantly around, then suddenly she began to tremble and stagger backward.
那老女人徘徊观望了一回，忽然手脚发抖，踉踉跄跄退下几步……。（鲁迅《药》）
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