1.言詞     n.

Human beings express their  thoughts by speech every day.

人類每天用言語表達思想。

2.演講 n.

The chairperson made an opening speech in the sports meeting.

主席在運動會致開幕詞。

3.口音 n.

By his speech I can tell he is from South America.

聽他的口音，我能辨別他來自南美洲。