动词
中文翻译：未倒塌的
同义词：
['unsinkable', 'unfailing', "invincible例句：1. The ship was unfallen after the storm.（风暴过后，这艘船没有倒塌。）2. The team's performance was unfallen despite the pressure.（尽管面临压力，团队的表现仍然出色。）"]
例句：
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1. The ship was unfallen after the storm.
风暴过后，这艘船没有倒塌。
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2. The team's performance was unfallen despite the pressure.
尽管面临压力，团队的表现仍然出色。
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3.The mountain is unfallen and can be climbed safely.
这座山没有倒塌，可以安全攀登。