pocketknife造句
...a small, expensive
pocketknife with a bone handle.
昂贵的骨柄小折刀
I got a really good
pocketknife for $ 10.
我花十美元买了一把非常好的折叠刀.
Steven killed the bird with his
pocketknife.
史蒂文用随身带的小刀杀死了这只小鸟.
Now, use your
pocketknife to touch the mica and see what will happen.
现在你用小刀去触及岩石中的云母,看看会产生什么现象.