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来源:雅诚德英语网
"Free radicals — like the kind formed from sun exposure — damage the membrane of skin cells, potentially allowing damage to the DNA of that cell," says Heller.
“自由基(比如由阳光照射而形成的粒子)会损害皮肤细胞膜,更会对细胞DNA构成潜在的威胁。”Heller说。