William: So let's go through those again. The first three examples of heteronyms have a similar meaning but the word function is different.

就是说，这几个同形异音异义词的含义在使用时是相类似的，不过它们起到的作用就往往不尽相同了。

youdao

This is the first time for me to go to USA and participate in such a global famous meaning.

这是我第一次去美国，第一次参加如此著名的全球会议。

youdao

On top of that, it's free, meaning you can go back again and again, perhaps revising your opinion on that work you first ruled out.

BBC: British Art Show 7 opens in Glasgow