難混膠料difficult: adj. 1.困難的,(工作等)艱難的。 2.執拗的,頑 ...compound: compound2 n. 1.(印度等地工廠 ...difficult-to-mix compound: 難混煉膠料be difficult of: 難于, 不易be difficult to: 很難去……下載手機詞典可隨時隨地查詞查翻譯