如题所述
第1个回答 2014-04-09
harmful,harmless/product/beauty/protection/不知，chemisty，chemist/communication,communicational/dangerous/mainly
第2个回答 2014-04-09
8.harmful/harmless
9.product
10.beauty
11.protection
12. chemic/ chemisty/chemist/
13. communication/communicative
14.dangerouly
15.mainly本回答被网友采纳
9.product
10.beauty
11.protection
12. chemic/ chemisty/chemist/
13. communication/communicative
14.dangerouly
15.mainly本回答被网友采纳
