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- What made the Roman Empire decay? 罗马帝国为何衰亡？
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙，未见有龋齿。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- His dual role as a composer and a conductor made him very busy. 他作曲家和指挥家的双重身份使他非常繁忙。
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- Breakdown or decay of organic materials. 腐烂; 分解指有机物的分解或腐败
- At that point, the road opens out and becomes a dual carriageway. 公路在那个地方变宽了，变成了双车道。
- dual decay 双衰变
- In truth, moral decay hastened the decline of the Roman Empire. 事实上，道德沦丧加速了罗马帝国的衰亡。
- The castle has fallen into decay in the last100 years. 这座古堡在近100年里渐渐荒废了。
- The immediate product of the radioactive decay of an element. 继承元素某种元素放射性衰变的直接产物
- The training airplane has dual controls. 教练飞机有两套控制系统。
- Dual function design saves money and space. 二合一设计可节省成本及空间。
