Wisonite
流安凝灰岩
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
We can't make a decision without thinking it over.
我们不能不考虑，就作决定。
The hunt went on for several weeks, but the puma was not caught.
搜寻工作进行了好几个星期，但始终未能逮住那只美洲狮。