您要查找的是不是：
- Bacteria complete the job by causing decay. 细菌通过引起腐烂而完成这个变化。
- 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。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- 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。
- Bacteria are too small to see with the naked eye. 细菌太小，肉眼看不见。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- Many diseases are caused by bacteria. 许多疾病是由细菌引起的。
- 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。
- Dissolution or destruction of bacteria. 溶菌作用对细菌的溶解或破坏
- Such a growth or colony, as of bacteria. 培养菌该种生长物或群落，如培养菌
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- The presence of bacteria in the blood. 菌血症血液中细菌的存在
- He worked out methods to destroy bacteria on the seeds. 他研究出消灭种子上细菌的方法。
- 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
- A bacterium is identified as the cause for his duodenal ulcer. 一种细菌被断定为造成他十二指肠溃疡的根源。
