1. With the city itself perched on the Ri'Alto island and the Venetian Lagoon serving as a massive moat for the city, Venice is a natural fortress.
威尼斯建城于阿尔托岛，以威尼斯环礁作为巨型护城壕，藉此构筑天然要塞。
2. No intent of the wall deep, a moat and the natural slope of the different groups separated.
没有密不透风的高墙深院，护城河和坡地自然阻隔了各个不同的组团。
3. However, the reality is always with the desire to maintain an ideal distance, and often insurmountable, and even natural moat gap.
可是，现实总是与理想愿望保持着距离，而且往往是不可跨越的，甚至是天堑鸿沟。
4. But Ishikawa is this military fortress city of Shanhaiguan a natural moat.
但石河又是山海关城这座军事要塞的一道天堑。
5. On the contrary, the Banciao city wall was constructed almost entirely along the Gongguan ditch, turning it into a natural moat.
相对的，板桥城几乎是沿著公馆沟盖起来的，公馆沟成了天然的护城河。
6. They rely on the Yangtze River natural moat and high walls to protect against Hu Rennan Hardtop invasion.
他们依靠长江天堑和高墙坚壁来抵御胡人南侵。
7. The scope of protection to the outer edges of the baseline Ling Shan, 360 meters east to the north-south highway, 90 meters south to the north shore of natural moat, 50 meters west to the arable land, 50 meters north to the arable land, 170 meters to the northeast to Paul Lai Road.
保护范围以陵山外缘边线为基线，向东360米至南北公路，向南90米至自然沟北岸，向西50米至耕地，向北50米至耕地，向东北170米至保涞公路。
8. Jiangying Big Bridge makes the Yangtze River natural moat become a convenient traffic and transportation channel, is the press routeway to Shanghai and southern Jiangsu. There are 328 national highway, Ningtong super highway, Guangjing high way, Ningjingyan super highway, Jinghu super highway and Xingchang railway, Ningqi railway crossed here in Taizhou.
江阴大桥使长江天堑变通途，是泰州与上海、苏南的快速通道。328国道、宁通高速公路、广靖高速公路、宁靖盐高速公路、京沪高速公路以及新长铁路、宁启铁路在泰州境内纵横交错。
9. Energetic, young and heart have been unruly, natural moat change thoroughfare!
血气方刚，风华正茂，心已不羁，天堑变通途！
10. The bridge, is equally beautiful like the rainbow, may cause the natural moat to change the thoroughfare, and gives the misery the hope the people, spreads over the friendship the world.
桥，像彩虹一样美丽，可使天堑变通途，把希望送给苦难的人们，把友谊传遍世界。
11. But in QuanZhou, the historical city of South China, there remains lots of stone buildings, which have been called the national treasure: The Luoyang bridge flies over the sea waves, and the natural moat changes the thoroughfare;
然而在南国的历史文化名城泉州，遗存着大量堪称国宝的石构建筑：洛阳桥飞越大海碧波，天堑变通途；
12. With the rapid development of modern science and technology today, human'scapabilities to across the natural moat and deep chase have far exceeded the former.
在现代科学技术快速发展的今天，人类跨越天堑鸿沟的能力已经大大超越了从前。
1. The wall was built along a natural river, which served as the moat for the city.