Sinus
n. 窦, 静脉窦, 凹陷处
✅ 同义词
📖 牛津释义
sinus
n
cavity in a bone, esp any of the air-filled spaces in the skull that are connected to the nostrils 窦（骨骼中的空穴, 尤指颅骨中的）.
🏥 医学释义
窦房结，窦
🗣️ 情景例句
Goodbye, it was a pleasure meeting you.
再见， 和你见面很高兴。
Do you like painting?
你喜欢画画？
Not today. Come back tomorrow!
“今天不行，明天再过来吧！”