They've tested three types of wood so far, with the Japanese bigleaf magnolia coming up as the winner so far, if all goes well, we might just see a prototype in space next year.

到目前为止，他们已经测试了三种木材，日本大叶木目前被认为是最好的，如果一切顺利，明年我们可能会在太空看到原型。