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
that Grandpa Philip bought for him.
祖父Philip给他买的。
You can't miss it.
你不能错过它。
The one with the money got such a fright that he dropped the bag.
拿钱的那个小偷吓得把提包都扔了。