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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。
- 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。
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- 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
- Breakdown or decay of organic materials. 腐烂; 分解指有机物的分解或腐败
- catalyst decay 催化剂衰变
- 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 last step is to regenerate the catalyst. 最后一步是将催化剂还原。
- War is a catalyst to help them to choose. 战争是一副催化剂来帮助他们选择。
- 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
- Debate is the best catalyst of thought. 争论是思想最好的催化剂。
- I see my role as being a catalyst for change. 我认为我的角色是促成变革。
