Traversability
可遍历性
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
A ready way to lose friend is to lend him money.
失友都因借钱起。
The city at one time must have been prosperous, for it enjoyed a high level of civilization.
这座古城肯定一度很繁荣，因为它曾享有高度的文明，