美 英 英英 n. 1. alifepreserver 例句 释义: 全部
This invention pertains to flotation devices and swimming aids in general and, more particularly, to a device that allows handicapped or disabled individuals to independently float or become immersed in a body of water for exercise or relaxation. 2. General Background Many different kinds of flo...
17. Additional lifejackets and flotation cots for small children and babies will be given out by the cabin crew. 机组人员会为孩子和婴儿提供附加的救生衣和气垫床。 youdao 18. If you can't swim well but you need to cross a large body of water, you can use your pants as a flotation dev...
The accessory disclosed by Politte is focused on the life preserving function. The Politte accessory exhibits such life-saving features as body straps, rescue seeking devices and attention attracting apparatus. However, such features obviously entail substantial complexity in design and construction of the...