Pyralin
玻璃增强聚酰亚胺
🗣️ 情景例句
Camping out is such great fun.
露营是件非常好玩的事。
The packing must be strong enough to withstand rough handing.
包装必须很坚固，能承受野蛮装卸。
is the slowest and has travelled round the earth through the surface rocks.
是最慢的，是围绕地球通过表面岩石传来的。