n.开启者,开启工具
You can only open a tin of food with a tin opener.
你只能用罐起子打开罐头.
Travelling around India was a real eye-opener for me.
周游印度真让我开了眼界。
The film on police Methods : Was a real eye - opener for me.
这部关于警方探案招数的影片使我大开眼界.