英语词汇“non optional”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	non optional
释义	non optional 🌏非可选；必选的；非任意性的
随便看	whaling guns whaling harpoon gun whaling industry whaling line whaling master whaling mother ship whaling port whalings whaling ship whaling ships whaling station whaling stations whaling vessel whaling winch whalish whalke whall whallah whalley Whalley Whalley 10 whalleya microplaca whalleys Whallon whallup