Conway was glad to find that the valley was not to be " out of bounds, " though the difficulties of the descent made unescorted visits impossible.
康威很高兴地发现山谷不是“禁区”，尽管下山的困难使无人陪同的访问变得不可能。
| 单词 | unescorted |
| 释义 |
unescorted
|
| 随便看 |
|
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