| 释义 | 
             
                Futile Substrate Cycling
                
            校内禁止骑车xiào nèi jìn zhǐ qí chē 
 No Cycling in the School骑脚踏车兜风qí jiǎo tà chē dōu fēng 
 cycling感光底层gǎn guāng dǐ céng 
 substrate没有出息的méi yǒu chū xī de 
 futile一场空yī chǎng kōng 
 all in vain, futile场地自行车赛chǎng dì zì háng chē sài 
 track cycling底土层dǐ tǔ céng 
 substrate骑行qí háng 
 cycling; riding下层xià céng 
 substrate, underlayer本源běn yuán 
 fountain, fountainhead, substrate酶作用物méi zuò yòng wù 
 substrate枉然的wǎng rán de 
 vainly; futile循环xún huán 
 circulate; repeat; loop; cycling琐细的suǒ xì de 
 trivial; futile; trifling徒劳tú láo 
 futile effort; fruitless labour衬底chèn dǐ 
 underlayment; substrate; substratum; supporting base骑脚踏车消遣qí jiǎo tà chē xiāo qiǎn 
 cycling碳循环tàn xún huán 
 carbon cycle; carbon cycling无效果的wú xiào guǒ de 
 futile, resultless, unfruitful枉然wǎng rán 
 futile; in vain; to no purpose底层dǐ céng 
 bottom, ground floor, rough coat, substrate, understratum培养基péi yǎng jī 
 substrate; nutrient medium; culture medium; medium自行车赛车场zì háng chē sài chē chǎng 
 velodrome, cycling stadium无用的wú yòng de 
 useless, futile, idle, unavailable, unnecessary, void徒劳无功tú láo wú gōng 
 be a fool for one's pains; make a futile effort
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