Sitzmarks
是一种胃肠道造影剂（不透射线的小环）
🗣️ 情景例句
what you were thinking about regarding going back to work.
是否打算回去工作。
Please sit down and have a glass of milk.
请坐下来喝一杯牛奶。
The village is on a river.
它靠近一条小河。