21世紀的英文怎麼說

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　　21世紀的英文：

The 21st Century

　　21世紀的英文例句：

1. DAB is the radio system of the 21st Century.

數字音頻廣播是21世紀的無線電廣播系統。

2. His speech called for a step change in attitudes to the environment in the 21st century.

他的演講呼籲在21世紀徹底改變對待環境的態度。

3. Supersonic flight could become a routine form of travel in the 21st century.

搭乘超音速飛機會成爲21世紀常規的旅行方式。