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- What made the Roman Empire decay? 罗马帝国为何衰亡？
- senile decay 老年龋
- 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。
- He may belong to senile residents who stray from home. 他可能是那种离家迷失在外的昏聩老年人。
- 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。
- He keeps forgetting things: I think he's getting senile. 他总忘事，我看他是老了。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- I may be senescent, but I'm not yet senile. 我有点显老了, 但还没有老得不中用。
- Breakdown or decay of organic materials. 腐烂; 分解指有机物的分解或腐败
- The director was pensioned off when he got senile. 主管年老之后就退休了。
- 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。
- They may be due to senile atherosclerosis. 可能是由于老年性动脉硬化。
- The castle has fallen into decay in the last100 years. 这座古堡在近100年里渐渐荒废了。
- All his movements were those of a senile man. 他的一切动作都和一个老人一样。
