Siltstone
n. [地]粉砂岩
🗣️ 情景例句
I am available as soon as possible.
我随时都可以上班。
Your right hand is swollen.Does it hurt?
你的右手是肿的.它受伤了吗？
How about feed-back from your retailers and consumers?
你们的零售商和消费者的反映怎样？