blue square
noun
(In North America, Australia, and New Zealand) (a symbol denoting) a ski run suitable for intermediate users.
Origin
1970s; earliest use found in The Mansfield News Journal.
| 单词 | blue square |
| 释义 | blue squarenoun (In North America, Australia, and New Zealand) (a symbol denoting) a ski run suitable for intermediate users. Origin |
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