The study adds substantial weight to the evidence linking cannabis to the onset of psychosis. 该研究给大麻和精神疾病发作之间的联系增添了实质性的重量级证据。

Nuclear-powered pacemakers have thankfully fallen out of fashion and today, devices with lithium batteries last between 5 and 15 years. fall out of fashion 过时

But if it does, the days of pacemakers that need battery replacements, with all their associated surgery, may be numbered. 但是如果可以，需要联合手术替换起搏器电池的日子或许屈指可数。

ten to the power of ten 10的10次方

warts and all 据实地