1、 Can you explain how the machine operates?你能解釋一下這機器是如何運轉的嗎？
2、 I've got to explain about it、我得解釋一下此事。
3、 Please explain this rule to me、請給我講解一下這條規則。
4、 He made up a story to explain why he was absent、他編造了一個(gè)故事為他的缺席辯解。
5、 He explained how the machine was used、他解釋了怎樣使用那臺機器。