Science is difficult but interesting.
科学很难但是很有趣。
It is a difficult but interesting task.
这是一个艰难而又有趣的任务。
I find English difficult but interesting.
我发现英语难，但很有趣。
Playing basketball is difficult but interesting.
打篮球很难，但很有趣。
Then at 9:00 I have science.It's difficult, but interesting.
九点钟上自然科学课。它很难，但也很有趣。
Some people think it's difficult, but I think it's interesting.
一些人认为它是很难的，但是我认为它是令人感兴趣的。
It's difficult, but interesting.
它很难，但是有趣。
The process may be very interesting and exciting, but it will also be difficult.
这个过程可能很有意思也很让人激动，但也会很难。
His work is interesting but difficult.
他的工作很有趣但有些困难。
That makes poetry difficult to write, but very interesting to read.
这使得诗很难写，但非常有趣的阅读。
Then at 9:00 I have science. It's difficult, but interesting.
然后9 点我上科学课，它很难但是有趣。
That makes poetry difficult to write but very interesting to read.
（人教版高二英语上册27页）这使得诗很难写但读起来又很有趣。
That makes poetry difficult to write but very interesting to read.
（人教版高二英语上册27页）这使得诗很难写但读起来又很有趣。
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