同根派生 rail off相关词英汉例句The pond is railed off to stop children falling into it.池塘用柵欄圍起隔開,以防止小孩落水。The bottom of the garden was railed off to stop the children straying into the road.花園的盡頭用欄杆隔開,以防止小孩走到大路上去。rail off更多例句