Olshevsky tubes
[医] 奥耳舍夫斯基氏管(一种X线管)
🧩 词语组成解析
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
Where is your native place?
你的籍贯是什么地方？
Which one is better?
哪一个是较好的？
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。