目的建立放射线损伤嗅黏膜的小鼠动物模型；
ObjectiveTo establish the experimental model of mice with radioactive-damaged olfactory mucosa;
很多化妆品都声称有防晒成分阻挡有害射线，但实际上它们远远不够用来防止皮肤损伤。
Lots of makeup claims to have sunscreens that block harmful rays, but it's probably not enough to ward off skin damage.
冲击波创造出一种叫做宇宙射线的高能亚原子微粒，这东西会撕裂生物分子并对DNA造成无法修复的损伤。
Shock waves create energetic subatomic particles called cosmic rays, which can tear apart biomolecules and damage DNA beyond repair.
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