si 15造句

例句与造句

1. It is a member of the leifite group, which includes telyushenkoite ( Cs, Na, K ) Na 6 ( Be 2 Al 3 Si 15 O 39 ) and eirikite KNa 6 Be 2 ( Si 15 Al 3 ) O 39 F 2.
2. It is a member of the leifite group, which includes telyushenkoite ( Cs, Na, K ) Na 6 ( Be 2 Al 3 Si 15 O 39 ) and eirikite KNa 6 Be 2 ( Si 15 Al 3 ) O 39 F 2.
3. It's difficult to find si 15 in a sentence. 用si 15造句挺难的