sinus
US /ˈsaɪ.nəs/
UK /ˈsaɪ.nəs/
名词
1.
鼻窦, 窦
a cavity within a bone or other tissue, especially in the bones of the face or skull communicating with the nostrils and containing air.
示例:
•
I have a terrible headache due to my inflamed sinuses.
我因为鼻窦发炎而头痛欲裂。
•
The doctor said my sinus infection is clearing up.
医生说我的鼻窦感染正在好转。
2.
正弦, 正弦曲线
a curve or a curving line.
示例:
•
The wave form showed a perfect sinus curve.
波形显示出完美的正弦曲线。
•
In mathematics, the sinus function is fundamental to trigonometry.
在数学中，正弦函数是三角学的基础。