Felstone
n. (=felsite)[矿]霏细岩
🗣️ 情景例句
In addition, it's great exercise too, since we do a lot of hiking.
还有，那也是个好的运动，因为我们要长距离徒步旅行。
I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间，否则生命将会在无所事事中告终。
At one point, it seemed certain that their plane would crash.
在有个地方，飞机似乎肯定要坠毁了。