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
For a year or two
在一两年内
An ounce of prevention is worth a pound of cure.
预防胜于治疗。
We all know how wonderful you are. There is no need to show off.
我们都知道你很棒，你就没有必要炫耀了。