Sigmoidoscope
n. 乙状结肠镜\\n[医] 乙状结肠镜
🗣️ 情景例句
Thank you for your great service.
感谢你周到的服务。
We trust that you will quote us your most favorable price for big quantities.
相信由于我方大量订购贵方能报最优惠价格。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。