Sigmoscope
乙状结肠镜
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
To learn about words in dictionary
用词典学习单词
When the woman shook her head in bewilderment,
那个女售货员还是迷惑不解地摇了摇头。