The children were asked to model an aeroplane out of balsa-wood.
孩子们被要求用轻木做模型飞机。
Scientists had long assumed that the balsa tree's target audience must be bats.
科学家们从很早就开始推测巴尔沙树的目标客户肯定是蝙蝠。
A kinkajou's pollen-dusted cheek tells of a late-night nectar binge in an Ochroma, or balsa, tree.
一只参加巴尔沙树午夜花蜜狂欢酒会的蜜熊，它的面颊上沾满了花粉。
But it's tough being an upstart, and many balsa trees don't live much past 30 or 40 years of age.
虽然扎根初期总是一鸣惊人，但很多巴尔沙树活不过三四十年。
It was he who folded aluminium, made ceramic sculpture in Japan, created delicate pieces in balsa wood.
是他对铝进行折叠处理，在日本制作陶瓷雕塑，用巴沙木制作精美物件。
Or you can use a couple of thin slices of balsa to make a huge wing, one that will carry maybe twenty engines.
又或者你可以用轻质的木片搞个大点的机翼，没准可以装20个引擎。
Built from carbon fibres and balsa wood, Snowbird has a wing span of 32m (105 feet) - comparable to a Boeing 737.
雪鸟是由碳纤维和轻质木制成的，机翼长总32米(105英尺)，堪比波音737。
Built from carbon fibres and balsa wood, Snowbird has a wing span of 32m (105 feet) - comparable to a Boeing 737.
雪鸟是由碳纤维和轻质木制成的，机翼长总32米(105英尺)，堪比波音737。
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