barrier

barrier (danh từ) nghĩa là rào chắn, vật cản, trở ngại.

1. A structure that bars passage.Công trình hoặc vật được dựng lên để chặn lối đi.
2. An obstacle or impediment.Điều gây cản trở hoặc khó khăn.
3. A boundary or limit.
4. A node (in government and binding theory) said to intervene between other nodes A and B if it is a potential governor for B, c-commands B, and does not c-command A.
5. A separation between two areas of the body where specialized cells allow the entry of certain substances but prevent the entry of others.

• The bus went through a railway barrier and was hit by a train.
• Even a small fee can be a barrier for some students.
• Few marathon runners break the three-hour time barrier.