railing /ˈreɪlɪŋ/

• 1. 

  N-COUNT A fence made from metal bars is called a railing or railings. (金属的) 栏杆

  例：

  He walked out on to the balcony where he rested his arms on the railing.

  他走出屋外到阳台上，把胳膊搭在栏杆上。