For safety's sake, never stand directly behind a horse.为安全起见,千万别站在马的正后方。She always sits immediately behind the driver.她总是坐在司机驾驶位置的正后方。We parked directly behind the store.我们把车停在商店的正后方。You couldn't see her because she was standing directly behind you.你看不见她,因为她站在你的正后方。