Naso-antritis
[医] 鼻上颌窦炎
🧩 词语组成解析
abbr. national astronomy space observatory 国家天文学空间观测台，国家航天天文台
[医] 窦炎
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
Do you often study history on Saturday?
你常常在星期六学历史吗？
Getting ready for Ann's party
准备安的生日。