sinus
US /ˈsaɪ.nəs/
UK /ˈsaɪ.nəs/
名詞
1.
鼻竇, 竇
a cavity within a bone or other tissue, especially in the bones of the face or skull communicating with the nostrils and containing air.
範例:
•
I have a terrible headache due to my inflamed sinuses.
我因為鼻竇發炎而頭痛欲裂。
•
The doctor said my sinus infection is clearing up.
醫生說我的鼻竇感染正在好轉。
2.
正弦, 正弦曲線
a curve or a curving line.
範例:
•
The wave form showed a perfect sinus curve.
波形顯示出完美的正弦曲線。
•
In mathematics, the sinus function is fundamental to trigonometry.
在數學中，正弦函數是三角學的基礎。