Pelelith
[地質]火山石
??? 情景例句
She'll love it. It's a once-in-a-lifetime offer, Harry.
她也會喜歡的。這是個千載難逢的機會， Harry。
There are seven of us altogether.
一共有7個。
If they are not brought to the surface soon they may lose their lives.
如果不把他們盡快救到地面上來，他們就有可能喪生。