活苔藓浴垫 这块浴垫是由一块防腐泡沫板构成，它是三株活苔藓（球形苔，依兰苔，林苔）的苗圃。
Living Moss Bath Mat Constructed of a decay-resistant foam called plastazote, this bath mat is a nursery for three varieties of living moss: ball mass, island moss and forest moss.
它是一个透明的、近乎完美的球形，挂在夜空中，宛如一个泡沫飘浮在微风之中。
A transparent, near-perfect sphere, it hangs in the night sky like a bubble floating on the wind.
以球形尿素颗粒为造孔剂，采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
Open cell aluminum foams were prepared by traditional powder metallurgy process, with spherical carbamide particles as the space-holder.
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