您要查找的是不是：
- workable lifetime 使用年限
- 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
- 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。
- His suggestion is in a sense workable. 他的建议在某种程度上讲是可行的。
- The most workable register is the upper chalameaux. 最容易开始练习的是上节管区域的音。
- 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。
- 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
- He had a lifetime of frustrations. 他一生坎坷。
- 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。
- Niki: It sounds really easy and workable for me. 听起来真的很简单，又做得到。
- The century plant blooms only once in its lifetime. 龙舌兰在其一生中只开一次花。
- The large sum of money will last me a lifetime. 这一大笔钱够我花一辈子。
- If we put our heads together we can probably thresh out a workable scheme. 如果我们集思广益，也许能琢磨出一个切实可行的方案。
