crossable
adj. (异种)可交配的
例句
When all borders are crossable, it is harder to imagine an idyllic realm.
当所有边界都是可跨越的时,很难想象一个田园般的境界。
When all borders are crossable and all boundaries permeable, it is harder to imagine an idyllic realm or a permanent enemy.
当所有的边境都敞开大门,人们就更难想象出一个田园般的王国,或者永久的敌人。