latex
noun [ U ] uk/ˈleɪ.teks/ us/ˈleɪ.teks/
胶乳;（尤指橡胶树的）橡浆;橡胶，乳胶
a white liquid produced by many plants, especially rubber trees, or a rubber-like substance made from this or from plastic, used in making clothes, paint, glue, etc.
a latex mask 乳胶口罩
a pair of latex surgical gloves 一副乳胶外科手套