| 释义 | 
             
                free nitrogen fixation
                
            固氮gù dàn 
 nitrogen fixation固氮作用gù dàn zuò yòng 
 nitrogen fixation氮气dàn qì 
 nitrogen氨基氮ān jī dàn 
 amino nitrogen; ammonia nitrogen定色dìng sè 
 fixation定象dìng xiàng 
 fixation定影dìng yǐng 
 fixation定置dìng zhì 
 fixation氮dàn 
 azote; nitrogen下流场所xià liú chǎng suǒ 
 free and easy免费miǎn fèi 
 free of charge; cost free; free; gratis固着gù zhe 
 set; fixation免票miǎn piào 
 free of charge, free ticket铵态氮ǎn tài dàn 
 ammonium nitrogen氮平衡dàn píng héng 
 nitrogen balance逍遥的xiāo yáo de 
 free; unfettered自由能zì yóu néng 
 free energy奉送fèng sòng 
 give sb. free, offer as a gift免付运费miǎn fù yùn fèi 
 carriage free自由面zì yóu miàn 
 free surface; free face氮化处理dàn huà chù lǐ 
 nitriding; nitrogen treatment罚球命中率fá qiú mìng zhōng lǜ 
 free throw percentage免税miǎn shuì 
 tax exemption; duty free; free of tax免费商品miǎn fèi shāng pǐn 
 free goods; gratuitous goods; free merchandise氮测定器dàn cè dìng qì 
 apparatus for nitrogen examination; nitrometer
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