名词中文翻译
中文翻译：防护墙
同义词：
['protective barrier', 'moat', "fortification例句：1. The city's defenses were strengthened by the new walls.（城市的防御工事被新筑的城墙加固了。）2. The ancient city was surrounded by a large moat.（这个古老的城市被一道宽厚的护城河包围着。）3. The king ordered the construction of a new fortification to protect his kingdom.（国王下令建造新的要塞来保护他的王国。）"]
例句：
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1. The city's defenses were strengthened by the new walls.
城市的防御工事被新筑的城墙加固了。
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2. The ancient city was surrounded by a large moat.
这个古老的城市被一道宽厚的护城河包围着。
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3. The king ordered the construction of a new fortification to protect his kingdom.
国王下令建造新的要塞来保护他的王国。