n.栏杆;由横木做成的篱笆;
v.“rail”的现在分词;
例句:
They are railing for fresh fish.
他们在捕鲜鱼.
A pigeon perched on our porch railing.
一只鸽子栖息在我们门廊的栏杆上.
a small park surrounded by railings
围有栏杆的小公园