https://online2.tingclass.net/lesson/shi0529/0008/8532/p109.mp3
https://image.tingclass.net/statics/js/2012
He dedicated most of his time to charity work.
他大部分時間都致力于慈善工作。
dedicate表示把時間或精力等用在...，用在哪方面就用介詞to。 dedicate的名詞是 dedication,表示對某事的熱誠和獻身。
her dedication to education她對教育的熱誠付出。
He dedicated his life to science.
他獻身于科學。
