蚕身为绿色，体重比家蚕大，成熟的蚕儿有10克多重，身长达7～8公分。
Willow worms are heavier than ordinary domestic silkworms. A well-developed willow worm weighs over 10 grams and is 7-8 cm.
一块10公分宽、10公分长，只有15克重的气凝胶复合材料，可承受高达300公斤重量也不变形。
A small 10cm by 10cm piece of the aerogel composite material weighing just 15 grams can take up to 300 kilogrammes of weight, maintaining its shape without being flattened.
一块10公分宽、10公分长，只有15克重的气凝胶复合材料，可承受高达300公斤重量也不变形。
A small 10cm by 10cm piece of the aerogel composite material weighing just 15 grams can take up to 300 kilogrammes of weight, maintaining its shape without being flattened.
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