名词
中文翻译：硬点
同义词：
['hard point', "hard protuberance例句：1. The car's bumper has a hard point that can be used to hold the keys.（汽车的保险杠有一个硬点，可以用来夹钥匙。）"]
例句：
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1. The car's bumper has a hard point that can be used to hold the keys.
汽车的保险杠有一个硬点，可以用来夹钥匙。
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2.The sharp edge of the knife is a hard point that could easily pierce flesh.
刀尖的锐利部分是一个硬点，很容易刺穿皮肤。
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3.The rocky terrain had many hard points that made navigation difficult.
崎岖的地形有许多硬点，使得导航变得困难。