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- classical beta decay 经典β衰变
- In some kinds of beta decay, a nuclide loses surplus positive charge by emitting a positron (in the same event, a proton becomes a neutron, and neutrinos are also given off). 以某种贝它衰减，一个核素靠发出一个正电子失去剩余正电荷(在相同的事件中，一个质子变成一个中子，而且也发射微中子)。
- THE ADVANCE OF IHEORY OF BETA DECAY 衰变理论的提出
- Both Bach and Beethoven wrote classical music. 巴赫与贝多芬谱写的都是古典音乐。
- What made the Roman Empire decay? 罗马帝国为何衰亡？
- His writings are full of classical allusions. 他的著作里用了很多典故。
- 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。
- An orchestra usually plays classical music. 管弦乐队通常演奏古典音乐。
- Interest in classic music has revived recently. 近来对古典音乐的兴趣又浓厚起来。
- 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。
- He fall into rapture over classic music. 他对古典音乐喜爱若狂。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙，未见有龋齿。
- I prefer classical music to pop music. 我喜欢古典音乐，不太喜欢流行音乐。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- John is very knowledgeable about classical music. 约翰对古典音乐有丰富的知识。
- She prefers pop music and jazz to classical music. 较之古典音乐她更喜欢流行音乐与爵士音乐。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
