balsa wood

The children were asked to model an airplane out of balsa-wood.

孩子们被要求用轻木做模型飞机.

The team treated balsa wood in an oxidizing bath that bleaches it of nearly all visibility and then penetrated it with a synthetic polymer called polyvinyl alcohol ( PVA)-creating a product that is virtually transparent.

该团队把木材泡在氧化剂里，褪去几乎所有可见的颜色，然后注入一种名为聚乙烯醇的合成聚合物，开发出几乎完全透明的一种产品。

Agriculture: bananas, coffee, cacao, rice; cattle; balsa wood; fish.

农业：香蕉，咖啡，可可，大米；牛肉；木材，鱼类。

The duo cut rectangular holes in balsa wood and covered them with glass microscope slides.

两人在轻质木材上剜出一些长方形的洞,然后在洞口盖上显微镜玻片.

Agriculture: bananas, coffee , cacao, rice; cattle; balsa wood; fish.

农业: 香蕉, 咖啡,可可, 大米; 牛肉; 木材, 鱼类.

Each of these blades is made by hand from balsa wood and fibreglass.

每片桨叶都是用轻木和玻璃纤维手工制成的。