white cocoon lip 白茧唇
tussah white cocoon 柞蚕白茧
commercial white cocoon race 白茧
white creases like a cocoon 蚕茧似的皱裂
The white cocoon just lay there, very still.
白色的茧躺在那儿一动不动。
They leaned closer to watch it. Then the White cocoon split! Out of the cocoon, there came... NOT a caterpillar, but something else! What was it?
她们凑过去，好奇地观察着。白色的茧裂开了，从里面爬出来的不是毛毛虫，而是另外一种东西！是什么呢？
The results are summarized as follows:(1) There are flourescent substances in the white cocoon layer. These substances are absorbed from the blood by the silk-gland cells.
结果摘要如下： （1） 白色桑蚕茧中存在荧光性物质，这些荧光性物质是从血液中被丝腺细胞吸收而进入丝物质中的。
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