Yahoo奇摩字典 網頁搜尋
adj.
必要的，不可缺的[（+to/for）] Hard work is essential to success. 成功必須努力工作。 n.[P]
要素，要點；必需品 Our course deals with the essentials of management. 我們的課程講述管理的基本要點。
adj.
完全必要的 to be essential to sth./to doing sth. 某事／做某事是必不可少的 to be essential that ... 必須… n.
必需品 to be an essential 是基本用品
PyDict
ph.
香精油 Many precious plants can be refined into essential oil to cure people's diseases. 許多珍貴的植物可被提煉為精油來治病。
ph.
香精油 Many precious plants can be refined into essential oil to cure people's diseases. 許多珍貴的植物可被提煉為精油來治病。
