橡膠 橡胶 [xiang4 jiao1] /rubber/caoutchouc/
橡膠 橡胶 [xiang4 jiao1] /Gummi (u.E.) (S)/Kautschuk (u.E.) (S)/
橡膠 橡胶 [xiang4 jiao1] /caoutchouc (matériau)/