杜仲胶 meaning in English

eucommea rubber
eucommia rubber
gutta percha
guttapercha

The study and application of eucommia ulmoides gum
新型功能材料杜仲胶的研究与应用
Study on properties of vulcanizates of natural rubber br gutta
杜仲胶并用胶性能的研究
The effects of gutta upon properties of vulcanizate of ternary blends
杜仲胶对三元共混硫化胶性能的影响
Gelded too : a stump of black guttapercha wagging limp between their haunches
而且被阉割过，一片黑色杜仲胶在腰腿之间软软地耷拉下来，摆动着。