To sacrifice one's life; to be utterly destroyed or smashed to pieces, often for a noble cause or due to extreme danger.
面对突发的自然灾害，救援人员不顾个人安危，甘愿灰躯糜骨，只为挽救更多生命。
Facing the sudden natural disaster, rescue workers disregarded their personal safety, willing to sacrifice their lives, only to save more lives.
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