Isn't telling about something-using words, English or Japanese-already something of an invention? Isn't just looking upon this world already something of an invention?

in june, we will have been married for eighteen months. (i am assuming this is what you want? the sentence, as you have presented it, is grammatically incorrect--   you want it corrected, yes? )

the author motivation is to show the power of animal-human relationships.

uncanny would be like unlucky or disaster. you can look for more in the dictionary or if you have text book then turn to a. 17 but it's different with textbooks.