Timber mafias are roaming Ecuadorean forests to find balsa wood used in wind-turbine blades.

木材集厄瓜多的森林里找寻用于制造风力涡轮机叶片的轻木。

As the balsa has slippery hairs on its leaves, the vine can't get a hold.

由于巴沙树的叶子上长有光滑的绒毛，藤蔓抓不住这种树。

In 1947 the Norwegian explorer Thor Heyerdahl set sail from Peru on a balsa wood raft called Kon-Tiki.

1947年，挪威探险家托·海达乘坐“康提基号”轻木筏从秘鲁启航。

That first meant replacing its hinge pins with ones made out of balsa wood.

这首先意味着用轻木制成的铰链销更换。

I'll get the balsa wood here.

我先搞点软木到这。

Objects that are less dense than water, such as balsa wood, icebergs, and inflatable rafts always float.

轻木、冰山和充气筏等密度低于水的物体总是漂浮水面上。

In 1947, the Norwegian explorer Thor Heyerdahl and his crew constructed the Kon-Tiki raft out of bamboo and balsa wood.

1947 年，挪威探险家 Thor Heyerdahl 和他的船员用竹子和轻木建造了 Kon-Tiki 木筏。