名词
中文翻译：直角三角形的斜边
同义词：
['acute-angled triangle', 'right-angled triangle']
例句：
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1.The architect drew a diagram of the Trigonum fibrosum sinistrum for the client.
建筑师为客户绘制了直角三角形的示意图。
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2. The construction crew was measuring the length of the Trigonum fibrosum sinistrum to ensure it would fit in the space.
施工队正在测量直角三角形的斜边长度，以确保它能够适应空间。
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3. The engineer used the Trigonum fibrosum sinistrum to calculate the angle between two walls.
工程师使用直角三角形来计算两堵墙之间的夹角。