壁垒的英文：
rampart
barrier

参考例句：
  • Duties and taxes are the most obvious barrier to free trade.
    关税和税收是自由贸易的最大壁垒。
  • Borders between nations, between carriers, borders between products and between people and ideas are being dissolved.
    国与国之间的疆界,运输公司之间的壁垒,产品之间的界限人员和思想之间的隔绝,都在消失之中。
  • A free press is one of the bastions of a democracy.
    自由的新闻业是民主的壁垒之一。
  • To the stone wa11 of officialdom she opposed a will of iron.
    她以钢铁般的意志对抗官僚作风的壁垒。
  • It was impossible to break through her barricade of reticence.
    要打破她沉默的壁垒简直是不可能的。
  • B2C (Business to Consumers): Size and Barriers of entry
    B2C(企业到消费者):规模与进入壁垒
  • Mental as well as geographical horizons were receding before eager explorers.
    精神上、地理上的壁垒都在热切的探索者面前退缩。
  • To fortify with a wall,an embankment,or a rampart.
    用堡垒防护用墙、土堤或壁垒防御
  • Surrounded by a ridge or raised, wall-like structure.
    壁垒状的被隆起或立起的墙状结构包围的
  • The part of a rampart or parapet connecting two bastions or gates.
    幕墙壁垒或胸墙的一部分，它连续有两个棱堡或城门
rampart是什么意思：
n. 垒,壁垒,城墙
vt. 用壁垒围绕,防卫,守卫
  • To fortify with a wall,an embankment,or a rampart.
    用堡垒防护用墙、土堤或壁垒防御
  • A mole can undermine the strongest rampart.
    一只田鼠能毁坏最坚固的堡垒。
  • The part of a rampart or parapet connecting two bastions or gates.
    幕墙壁垒或胸墙的一部分，它连续有两个棱堡或城门
  • Blocks of flats have been holed and some shells have fallen within the historic ramparts.
    几栋公寓楼被炸出了窟窿，几枚炮弹还落在了古护城墙内。
  • A number of staircases ascend from the cobbled streets onto the ramparts.
    一段石阶从鹅卵石路上一直向上直通城墙。
barrier是什么意思：
n. 屏障，障碍物；栅栏；壁垒；界线
  • A weak barrier,defence,team
    不结实的挡板、无力的防御、弱队
  • A train plowed into the barrier at the end of the platform.
    火车撞上了月台尽头的栅栏。
  • As a result, no barrier can stop you.
    结果，不再有障碍能阻挠你。
  • The Amazon basin is a huge barrier to commerce.
    亚马逊流域是两国进行贸易的巨大障碍。
  • I don't understand why the knee is a barrier.
    我不理解为什么非得以膝盖为界线。

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