Sigmoidoscope
n. 乙状结肠镜\\n[医] 乙状结肠镜
🗣️ 情景例句
Thanks for all your hospitality.
谢谢你的感情招待。
May I pay by credit card?
我可以用信用卡付款吗？
One evening, however, the lamb was missing.
可是，一天晚上，那只小羔羊失踪了。