单词	原级参考物质
释义	原级参考物质primary reference material {= PRM}
随便看	to chant religious books to chant verses to chant with music accompanying to chap as the skin to chap, as the skin to characterize to charge a gun to charge an enemy's line to charge, as a building with ornaments to charge, as interest to charge, as with a duty to charge (enjoin) repeatedly to charge falsely to charge one with a duty to charge one with his duty to charge people with heavy burdens to charge people with heavy burthens to charge to account to charge, to impose, as a tax to charge to my own account to charge to one's account to charge to, to set to, as a debt to charge with, as a crime to charge with crime tocharian