We're interested in replacing steel and carbon fibers with strong wood structures, he said.

“我们有兴趣用坚硬的木材来替换钢铁和碳纤维。”

In addition, he noted, the calcium mixed with the volcanic ash to create a stronger structure.

此外，他指出，钙与火山灰混合后会形成更坚固的结构。

And so this gives a much stronger structure for the whole piece, and it helps hold together better.

这为整个画像提供更牢固的支撑，并使乐高更好地组合在一起。