1. 董事長用兩小時闡述了公司的規(guī)劃。
   The chairman expatiated for two hours on his plans for the company.
2. 請你闡述這一理論，行嗎？
   Could you elaborate on this theory?
3. 闡述教義無誤的闡釋有關信仰或精神的教義時不出錯的
   Incapable of error in expounding doctrine on faith or morals.
4. 他對核動力的優(yōu)越性做了闡述。
   He made an exposition of the advantages of nuclear power.
5. 他闡述了他做這件事的理由。
   He expounded the reasons why he did it.

述的英語翻譯：