rail off   (TTS發音)

mark off or separate with rails or a railing用欄桿隔開

    The end of the garden was railed off to stop the children straying into the road. 花園的盡頭用欄桿隔開，不讓孩子們走到大路上去。

    They railed the meadows off from the new railway. 他們用欄桿把草地和新修的鐵路隔開了。