- 更多网络例句与天然疆界的相关的网络例句 [注：此内容来源于网络，仅供参考]
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French frontier's shape is open, which is absence of strategic depth and was often aggressed by different races. All this made French border's safety serious. So France was always seeking the security strategy which maintained its "natural frontier".
法国边界走势是开放型的，缺乏战略纵深，曾长期遭受异族入侵，边境安全问题严峻，所以法国一直寻求维护本国&天然疆界&的&安全战略&。
- 更多网络解释与天然疆界的相关的网络解释 [注：此内容来源于网络，仅供参考]
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archwise：拱廊似地
archway 拱门 | archwise 拱廊似地 | arcifinious 天然疆界的
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arcifinious：天然疆界的
archwise 拱廊似地 | arcifinious 天然疆界的 | arciform 拱状的
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arciform：拱状的
arcifinious 天然疆界的 | arciform 拱状的 | arcograph 圆弧规
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arciform vein：弓状静脉
arcifinious | 天然疆界的 | arciform vein | 弓状静脉 | arciform | 拱状的, 弓形的