In the worst - case scenario, UV light mutates DNA, leading to premature aging or skin cancer.在最差的情况下, 紫外线能使DNA发生突变, 于是导致提前老化或皮肤癌.The virus mutates in the carrier's body...病毒会在携带者体内发生变异。The virus mutates quickly and...
当他们接近起止线时，普罗斯特猛向右转，两辆车并排驶过了终点。As they reached the start-finish line Prost jinked right and drew abreast.她本想斥责他，但很快就被大声喝止了。Her attempts to reprimand him were quickly shouted down.他张了张嘴，欲言又止。He opened and shut his mouth, u...