名词
中文翻译：门
同义词：
['outside door', 'outer door例句：1. The outer door is always locked when we are not at home.（我们不在家时，外门总是锁着。）']
例句：
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1. The outer door is always locked when we are not at home.
我们不在家时，外门总是锁着。
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2.The outer door was wide open when the thieves arrived.
小偷到达时，外门敞开着。
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3.The outer door leads to a small garden in the backyard.
外门通向后院的一个小花园。