“bat”有两种不同意思。

There are two different kinds of bats.

要使用哪个词，或者这些词的不同意思。

Which word is being used or the different meanings of all these words.

让我们看一下green与不同单词组合时所呈现的不同意思吧：

Please weigh the various meaning of green collocated with different words.

科学家们已经对几百种在不同文化中具有不同意思的身体语言做了多年的研究。

Over the years, scientists have studied hundreds of gestures that have different meanings in different cultures.

这是说同样话的结果,或者我们说bank这个词的不同意思。

And that's a result of equivocation or we are equivocating on the word bank.

讲座内容主要是：日本文化，日本礼仪，中日相同汉字不同意思等。

They mainly covered Japanese culture, Japanese etiquette, same characters with various meanings.