expand on的用法和樣例：
例句
用作及物動詞 (vt.)
- The explorer was glad to dilate on his experiences.
探險家欣然詳述他的經驗。 - Charges on the large target is largely enlarged.
大靶子的收費很大程度上得到詳述。 - He asked his teacher to expand on the steps of programming.
他要老師進一步闡述編製程序的步驟。 - By the exhibition contents of the lotus flower stanza, it expatiates on this standpoint further.
取得了社會效益與經濟效益的雙豐收，並通過荷花節的布展內容進一步闡述了此觀點。
