Tympanostomy
鼓膜造孔术
🗣️ 情景例句
Today is the twelfth. Why?
今天是十二号。怎么？
Why did you come home so late last night?
昨晚你为什么那么晚才回家？
Built in 1885, it was the oldest car taking part.
该车造于1885年，是参赛车中最老的一辆。