1.Back up 后退

A: John, could you back up one slide please?
B: Sure.

A：約翰，請退回到上一頁好嗎？
B：好的。

2. Connect the projector to the computer 把投影儀連接到電腦上

A: How do you connect the projector to the computer？
B: Use the cable. Connect one end to the projector input, and the other end to the computer output.

A：你知道怎樣把投影儀連接到電腦上嗎？
B：用這根數(shù)據(jù)線，一邊連接投影儀的輸入口，另一端連接電腦的輸出口。

3.Get out of the presentation 結(jié)束演示

A: How do you get out of the presentation?
B: Push Esc, and you'll be out of the presentation.

A：能告訴我演示完畢怎樣退出嗎？
B：按 Esc 鍵，你就可以結(jié)束演示了。

4.Input selection 輸入選擇

A: How come I cannot get the signal？
B: Did you play with the Input Selection？

A：我這兒怎么沒有圖像呢？
B：你調(diào)整輸入選擇了嗎？

5.Plug it in 插電源

A: Did you plug it in?
B: I did. It still dosen't work.

A：你插電源了嗎？
B：插了，但還是不好用。