premature senesence的用法和樣例：
例句
- She may be susceptible to premature aging and disease,according to geneticists.
根據基因學(xué)家的研究，她可能易于早衰及感染疾病。 - Regular use helps to reduce the risk of skin cancer, sunburn, premature ageing and wrinkling of the skin from sun exposure.
經(jīng)常使用可幫助降低患皮膚癌，曬傷，皮膚早衰以及由于日曬而出現的皺紋的風(fēng)險。
