您要查找的是不是：
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- It's a once in a lifetime chance. 这是一生难得的机会。
- She devoted her lifetime to the study of zoology. 她以毕生精力从事动物学研究。
- He met with many a setback in his lifetime. 他一生中遭到过许多挫折。
- A lifetime guarantee; lifetime membership. 终身保障; 终身会员资格
- The amount or rate of emission or ejection. 排放量流量、流速，或排出量，排出的速度
- emission lifetime 发射寿命
- He is a legend in his lifetime for his scientific discoveries. 他的科学发现使他一生成为传奇人物。
- The eating habits of a lifetime are not easily given up. 一生中长期形成的饮食习惯是不容易改掉的。
- Could you reconcile yourself to a lifetime of unemployment? 你能甘心一辈子失业吗?
- In his own lifetime Galileo was the centre of the controversy. 伽利略在世之日一直是激烈的论战中心。
- He has gone through many a severe test during his lifetime. 他一生中经受过多次严峻的考验。
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- He had put by a good sum during a working lifetime. 在他一生的工作中积蓄了一大笔钱。
- One set of provisions tightens emission standards. 一套使排放标准更加严格的规定。
- The chief or entire work of a person's lifetime. 主要工作一个人毕生从事的工作，一生中最主要的工作
- A brief, sudden emission of air, vapor, or smoke. 一阵烟空气、蒸汽或烟雾短促而突然的散发
- He had a lifetime of frustrations. 他一生坎坷。
- An example is the emission of light from matter. 物质的发光即为一例。
- I doubt if there will be a female president in this country in my lifetime. 我怀疑在我有生之年这个国家会不会出现一位女总统。
