1)chief constitutents,主要组分2)Main constituents of wood,木材主要组分3)Primcipal constituents of the coldwave agent,冷烫精主要组分4)main,主要5)Major Process,主要工艺6)key odorant,主要香气
用法例句
On Non-party Personage s Main Historical Contribution;
论无党派人士的主要历史贡献
And it pays more attention to the cause systems of the main air pollutant and the harmness to the human health.
