1 . retainer
resuscitation←→enervationretainer n. 家臣,扈從,保持者a person attached or owing service to a household.
2 . the retainer
接收器物鏡 the receiver objective保持者,保留者,承版 the retainer矽石磨擦保護器 the silican rubber protection.
3 . preserver
preserver 保護裝置, preserver 保持者, preserver 保持