guard rail
柯林斯詞典
1. N-COUNT A guardrail is a railing that is placed along the edge of something such as a staircase, path, or boat, so that people can hold onto it or so that they do not fall over the edge. 護(hù)欄
返回 guard rail
1. N-COUNT A guardrail is a railing that is placed along the edge of something such as a staircase, path, or boat, so that people can hold onto it or so that they do not fall over the edge. 護(hù)欄