fortifications

[.fɔ:tifi'keiʃənz]

n. 防御工事
名词fortification的复数形式

例句与用法：

An explosive device used to destroy enemy personnel, shipping, fortifications, or equipment, often placed in a concealed position and designed to be detonated by contact, proximity, or a time fuse.

地雷，水雷一种用来摧毁敌军部队、船舰、碉堡或装备的爆破装置，通常安放在隐蔽处，由于接触、靠近或定时而引爆

A park at the southern tip of Manhattan Island at the upper end of New York Bay in southeast New York. It is the site of early Dutch and English fortifications and of Castle Clinton, built in 1808 for the defense of the harbor.

炮台公园曼哈顿岛南端的公园，位于纽约东南部的纽约湾北端。1808年为保护港口而建，早期荷兰和英国的防御工事及克林顿城堡就在此地。

These fortifications were all built during the last war.

这些防御工事都是上次战争时修筑的。

These fortifications were built during the last war.

这些防御工事是上次战争时修建的。

详细释义：

n.

防御工事