Zenolite
硅线石
🗣️ 情景例句
I designed it myself.
这是我自己设计的。
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话，我可能要你帮个小忙。
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。