Sitzmarks
是一种胃肠道造影剂（不透射线的小环）
🗣️ 情景例句
Don't speak too soon.
话不要说得太早。
He was lucky to have a good home in which to grow up.
他幸运地生长在良好的家庭里。
We're out of one item on your order.
你我订的货里有一项我们没有了，