名词
中文翻译：前额
同义词：
['forehead', "forehead例句：1. He had a frontalis injury that required surgery.（他有一个额头受伤，需要进行手术。）2. The doctor examined the patient's frontalis and found no signs of infection.（医生检查了病人的额头，没有发现感染的迹象。）"]
例句：
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1. He had a frontalis injury that required surgery.
他有一个额头受伤，需要进行手术。
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2. The doctor examined the patient's frontalis and found no signs of infection.
医生检查了病人的额头，没有发现感染的迹象。
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3. The frontalis is an important part of facial expression.
额头是面部表情的重要组成部分。