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- 双D环有垫保险带Economy safety belts-double D-ring padded belts
- 双D雷达观察dual-Doppler radar observation
- 备有stock
- 保有tenure
- 圆环traffic circle
- 杯垫tablemat
- 保险带safety belt
- 有时间free
- 密封垫gland bush
- 自有own; self-possessed
- 半双工semiduplex
- 抱有possess
- 杂环heterocycle
- 有奖with lottery
- 密封环packing washer
- 双拼Two bors d's oeuveres
- 有竞争力competitive
- 双元音diphthong
- 有误wrong; mistaken
- 母亲给她买了一双网球鞋。Mother bought her a pair of tennis shoes.