“针状物”造句

'针'.''''.'状物'.''精细尖锐的突出物, 如海胆的脊椎骨或水晶球.
A fine, sharp projection, as a spine a sea urchin or a crystal.

针状物精细尖锐的突出物, 如海胆的脊椎骨或水晶球.
A fine, sharp projection, as a spine of a sea urchin or a crystal.

• #针状物