| 单词 | barrier |
| 释义 | barrier n. 1. a fence or other obstacle that bars advance or access. 2. an obstacle or circumstance that keeps people or things apart, or prevents communication (class barriers; a language barrier). 3. anything that prevents progress or success. 4. a gate at a car park, railway station, etc., that controls access. 5. colloq. = sound barrier. Phrases and idioms barrier cream a cream used to protect the skin from damage or infection. barrier reef a coral reef separated from the shore by a broad deep channel. Etymology: ME f. AF barrere, OF barriere |
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