易混淆的单词： Ultralight

Concept international rucksack seat ultralight in green .

概念国际背包座超轻型绿色。

News reports discussed a possible back problem caused by flying an ultralight plane beside some wild cranes in september .

新闻报道讨论总统可能是因为9月乘坐的轻型飞机在一些野生鹤旁边飞行而使背部出了毛病。

You might want to read up on ultralight backpacking .

您可能需要阅读超轻背包上。

You can even see the shadow of an ultralight plane piloted by another photographer .

你甚至可以看到另一位摄影师所驾驶的一架超轻型飞机的影子。

By contrast , other ultralight substances , including aerogels and metallic foams , have random cellular structures .

相比之下，其它超轻型物质，包括气凝胶和金属泡沫材料，他们的分子结构就较随意了。