Sillar
n. [地]未固结熔灰岩, 未固结火山凝灰岩
🗣️ 情景例句
I'm afraid I'll be tied up tomorrow at ten.
恐怕明天上午10点我很忙。
So if anyone here is interested in computer and computer software, please let me know.
所以这里如果有人对电脑和电脑软件感兴趣，请告诉我。
I live in a very old town which is surrounded by beautiful woods.
我住在一个由美丽的树林环绕的古老的小镇上。