日本不卡高清一区二区三区|亚洲福利精品视频无码在线|国产成人国产在线观看入口|成人免费观看在线视频

ureas

 
['j??r??s]     ['j??r??s]    
  • 尿素塑料(類)
new

ureas的英文翻譯是什么意思,詞典釋義與在線翻譯:

英英釋義

形容詞 urea:
  1. the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
今早流行詞
文件目錄 緒論 查詞過去