Sigmoidoscope
n. 乙状结肠镜\\n[医] 乙状结肠镜
🗣️ 情景例句
Oh, fine.
嗯 很好。
Do not count your chickens before they are hatched.
鸡蛋还未孵，先别数鸡雏；莫过早乐观。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们