invalid may be insensitive too, that is right, but we don't refer to a person with a disability here. Anyway, if there's a better set of words then we can also go for that. Consistent doesn't really cut it in my opinion, because it makes it sound like it would be about uniformit...
aWrite the words.Listen and correct 写词。[translate] a一些盒子。 Some boxes.[translate] aMethod for producing alcohol by hydrogenating lactone and carboxylic acid ester in liquid phase 方法为生产酒精通过在液体阶段氢化内酯和羧酸酯类[translate] ...