Siltstone
n. [地]粉砂岩
🗣️ 情景例句
Hello, sir.
您好，先生。
He's known me for over ten years.
他认识我超过10年的时间了。
The driver gave him a few biscuits and a cup of coffee and left him just outside the city.
司机给了他几块饼干和一杯咖啡，就把他丢在了城外。