柯林斯詞典fortification /?f??t?f??ke???n/ (fortifications) 1. N-COUNT Fortifications are buildings, walls, or ditches that are built to protect a place and make it more difficult to attack. 防禦工事[usu pl] →see also fortify The government has started building fortifications along its eastern border. 政府已經(jīng)開展了沿東部邊境建造防禦工事的工程。 返回 fortification劍橋詞典[ 可數(shù)名詞：有複數(shù)形式的名詞 通常作爲複數(shù)使用的名詞 ] strong walls , towers , etc. that are built to protect a place 防禦工事 Some of the old fortifications still exist . 一些古老的防禦工事仍然存在。 The fortifications of the castle were massive and impenetrable . 城堡的防禦工事巨大厚實，堅不可摧。 [ 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ] the act of fortifying something 強化；設(shè)防 返回 fortification