1.
store in a deepfreeze, as for conservation.
低温保存以便永久保持。
2.
Perenially fresh or interesting; enduring.
永保青春的，不衰的永保新鲜和兴趣的；持久的
3.
There's no permanency about those little distinctions.
那些小小的头衔并不能保持永久。
4.
not permanent; not lasting.
非永久的，不持久的。
5.
a durable peace, friendship, settlement
持久的和平、 永恒的友谊、 永久的解决
6.
purchase in perpetuity
购买永久持有权年数
7.
It would never endure.'
这种文明永远不能持久。”
8.
permanent failure
永久性故障（持续性故障）
9.
Gold and silver jewellery is permanently inflation-proofed in value.
金银珠宝，永久保值。
10.
existing permanent unprotected file
现有永久性非保护文件
11.
This product comes with lifetime warranty.
这件产品有永久保证。
12.
Books do not last forever.
图书不能永久保存。
13.
A permanent virtual circuit is a path that stays open even when no traffic is using it.
永久性虚拟电路是即便没有信息流通过时仍保持开放的通道。
14.
Because the evergreen trees stay green all year, they're a symbol of never-ending life.
因为常青树可以全年保持青绿，他象征着生命永久长青。
15.
To persist in or remain constant to a purpose, an idea, or a task in the face of obstacles or discouragement.
坚持不懈，锲而不舍在面临阻碍或挫折时，坚持或永久保存一个目标、想法或任务
16.
Having lasting significance or worth; enduring.
历久不衰的，持续的有永久的意义或价值的；持久的
17.
To have a persistent, restless craving.
渴望有持久的、永不停止的渴望
18.
Q: Yet, the problem of permanency, of continuity of being, is not solved.
但、永久持续地存在这个问题仍未解决。