translation.en: And you'll see, just now, a nurse coming back to the tray, which is their sort of modular station, and dropping the syringe she's just used back in the tray for it to be picked up and used again.
translation.zh: 看，一个护士走到托盘这里 这是他们放注射器的地方 把刚刚用过的注射器扔到里面 走到托盘这里，拿起来接着用