What I'm going to do in this lecture is focus on something very specific

　　我在今天的講座中將主要探討一些非常具體的問題。

　　The project must be completed within a specific time span.

　　這項工程必須在規(guī)定期限內(nèi)完成。

　　This is a good example of his Lyric poetry.

　　這首詩是他抒情詩的范例。

　　Song lyric is an significant form of ancient Chinese literature.

　　詞是中國古代抒情文學(xué)的重要形式。