Sinuses ethmoidei
[医] 筛窦
🧩 词语组成解析
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
Who is it?
是谁?
Be considerate toward the poor.
应常为穷人着想。
What will be the population of these countries in the year 2000?
2000年不太发达国家的人口将是多少？