motorsikal =

(a)  

kerinting =

(a)  

spesis =

(a)  

dwi-tahunan

(a)  

kolestrol =

(a)  

maksima =

(a)  

restoren =

(a)  

污染 =

(a)  

环境 =

(a)  

含有 =

(a)  

减少 =

(a)  

发现 =

(a)  

卷 =

(a)  

巨大 =

(a)