1.lifebelt  2.lifepreserver  

救的英語翻譯：

help; rescue; salvage; save; succour
【法】 save

生的英語翻譯：

accrue; crude; rawness; unripe; give birth to; grow; living; procreate
student
【醫(yī)】 bio-

帶的英語翻譯：

belt; bring; strap; strip; take; wear
【計】 tape
【化】 band
【醫(yī)】 balteum; band; belt; chord; chorda; chordae; chordo-; cingule; cingulum
cord; desmo-; girdle; ribbon; strap; strip; taenia; taenia-; taeniae
tape; teni-; tenia; zona; zone
【經(jīng)】 belt