Sitzmarks
是一种胃肠道造影剂（不透射线的小环）
🗣️ 情景例句
until they mentioned needing collateral or a guarantor.
在他们提到担保物或担保人之前。
The sudden noise scared the dog away.
突然突然的噪音把狗吓跑了。
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。