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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。
- positron decay 阳电子衰变
- 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。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
- 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
- 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。
- Positron is how it was detected by ? 正电子是如何被检测出来的呢？
- 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 decay meat stank us out of the restaurant. 臭肉味把我们赶出了饭店。
- A person in a condition or process of mental or moral decay. 堕落者在精神或道德方面处于衰败状态或过程中的人
- The antielectron, or positron, was discovered in 1932. 反电子或正电子,是在1932年被发现。
