When the time is right, and, 当时机到了

435. with another member of the staff, get tested.
     发生过无保护性行为 立刻去做检查
436. This is not a request.
     这不是请求
437. Patricia will now give you a safe-sex demonstration.
     帕特丽夏会为你们演示安全性行为
438. When the time is right, and,
     当时机到了
439. gentlemen, you'll all know when that time is,
     先生们 你们都明白是什么时候
440. carefully open the condom packet...
     小心地撕开安全套的包装袋
441. and roll it onto the banana.
     把它套在"香蕉"上

来自《实习医生格蕾 第一季 第九集 Grey's Anatomy S01E09》第 438 行