1、It goes without saying that oxygen is the most active element in the atmosphere.
不言而喻，氧氣是大氣中最活躍的元素。

2、An active element that forms a character or symbol when combined in a matrix.
形成一種性格或者符號(hào)的有效元件被在基體里結(jié)合。

3、Competition mechanism is the most active element of market economy.
競(jìng)爭(zhēng)機(jī)制是市場(chǎng)經(jīng)濟(jì)中最活躍的要素。

4、Vocabulary is a dynamic and open system, and the most active element in language.
語(yǔ)言中的詞匯是一個(gè)動(dòng)態(tài)的開(kāi)放性系統(tǒng)，是語(yǔ)言中最活躍的因素。

5、I think the methodology is aimed at making the pupil an active element in the classroom.
我想，這一套方法的目的在于讓小學(xué)生成為課堂上的活躍元素。

active element翻譯