Sitzmarks
是一种胃肠道造影剂（不透射线的小环）
🗣️ 情景例句
Married women should be addressed as 'Mrs.'.
已婚的女性应被称作 'Mrs。' 。
He is on the phone.
他正在通话。
Oh, thank you. I would love to.
噢，谢谢你！我很乐意！