词根dedic
de完全 + dic讲话 + ate构成动词 + ed构成形容词 ->（向上帝）说话，致力于完成某事 -> dedicated尽心尽力的He's quite dedicated to his students.
他奉献很多给他的学生们。
He dedicated his life to helping the poor.
他毕生致力于帮助穷人。
She dedicated her life to working for peace.
她为争取和平奉献了自己的一生。
Software is exported through a dedicatedsatellite link.
软件通过专用卫星线路出口。
He's too serious and dedicated， wrapped up in his career.
他太认真、专注，一心扑在事业上。
dedicate : de-，向下，表强调，-dic，说，声称，词源同diction.原为宗教术语，即向上帝发愿，致力于完成某功德。后词义通用化。
