1. 救生带：Letter of indemnity 担保书(函) | Life belt 救生带 | Life boat 救生艇
2. 安全带：lieutenant 副中队长;小队长 | life belt 安全带 | life boatman 救生艇水手
3. 保险带：lie detector 测伪器 | life belt 保险带 | life boat transmitter-receiver 救生艇收发报机
4. 生物帶：life arena 生活場所 | life belt 生物帶 | life cycle 生命環;生活周期
noun
1. 911chaxun查询·英语单词大全
1. a life preserver in the form of a ring of buoyant material
Synonym: life buoy lifesaver life ring
2. belt attaching you to some object as a restraint in order to prevent you from getting hurt
Synonym: safety belt safety harness