Perhaps because of a natural gum in the plant, the layers stuck together.

也许由于植物中有天然胶质，几层粘到一起了。

youdao

A special scouring process used to remove the natural gum sericin from silk is called degum Ming.

清除蚕丝中的天然胶一丝胶的过程叫做脱胶。

youdao

A special scouring process used to remove the natural gum, sericin, from silk, is called degumming.

清除蚕丝中的天然胶一丝胶的过程叫做脱胶。

youdao

Unlike other gums that contain petrochemicals the natural gum is produced from the sap of the chicozapote tree found in the Mexican rainforest, a spokesman for Chicza told CNN.

CNN: New gum could mean sticky end for mess

Locals have been extracting the natural chicle gum base from the bark of the chicozapote trees for a century, a spokesman for Chicza told CNN.

CNN: New gum could mean sticky end for mess

After years of exporting the gum base to be used as an ingredient in the manufacture of regular chewing gum, the cooperative recently decided to start making its own gum using only chicle gum base and natural flavorings and sweeteners, Chicza said.

CNN: New gum could mean sticky end for mess