bedrail

例句：

1. 1. The bedrails are designed to keep the mattress in place.
   床栏杆设计用来保持床垫的位置。
2. 2. She climbed onto the bed and sat on the edge of the bedrail.
   她爬上床，坐在床边的栏杆上。
3. 3. The bedrail was made of sturdy wood, ensuring safety for children.
   床栏杆由坚固的木头制成，确保儿童的安全。