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- What made the Roman Empire decay? 罗马帝国为何衰亡？
- 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。
- proton decay 质子衰变
- 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。
- protonic decay 质子衰变
- 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
- They believe that the charge carrier is protonic. 他们相信电荷载体是质子。
- Breakdown or decay of organic materials. 腐烂; 分解指有机物的分解或腐败
- A proton or a neutron, especially as part of an atomic nucleus. 核子质子或中心，尤指作为原子核的一个组成部分
- β-delayed proton decay β缓发质子衰变
- 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。
- Proton and neutron form a charge doublet. 质子和中子构成电荷双重态。
- The castle has fallen into decay in the last100 years. 这座古堡在近100年里渐渐荒废了。
- Diphenylmethane would have a two proton peak. 二苯甲烷必定有一个二质子的峰。
