Ethmoid sinus
筛迷路
🧩 词语组成解析
a. 筛骨的\\nn. 筛骨
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
I hope you will succeed.
我希望你会成功。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。