preserver
n. 保护者,保存者
1. a skilled worker who is employed to restore or refinish buildings or antique furniture
2. a cook who preserves fruits or meat
3. someone who keeps safe from harm or danger
4. rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
Destroyer and preserver; hear , oh hear!
哦, 听吧,你既在毁坏, 又在保藏!
Preserver Problems is a very important branch of matrix algebra, there are appear inone hundred years.
保持问题是矩阵代数中一个重要的研究分支, 百余年来取得了丰硕的成果.
When testing is over, the center will preserver some samples for future reference.
检验结束后, 我中心将留存部分样品备查.
I have sinned; what shall I do unto thee , O thou preserver of men?
鉴察人的主阿,我若有罪, 于你何妨.
May also consider using some scrap tire inner tubes made of simple life preserver.
也可考虑使用一些废弃轮胎的内胎制成简易救生圈.