(ESS4000) invent	Definition: To invent something is to create something that never existed before.	Example: →My grandfather has invented some interesting things.
(ESS4000) inventory	Definition: An inventory is a supply of something.	Example: →Gwen was checking the inventory to make sure we had what we needed.
(ESS4000) inventive	Definition: When someone is inventive, they are good at creating new things.	Example: →The inventive student built a robot to help her with her chores.

Compounds:

HSK5000 A1+A2+B1
1455 (verb: to invent) Do you know who invented the telephone? Wissen Sie, wer das Telefon erfunden hat? Bạn có biết ai đã phát minh ra điện thoại không? Bạn có biết ai đã phát_minh ra điện_thoại không ? You \| have \| know \| who \| past \| invent \| phone \| not?
1804 (adjective: amazing / terrific / extraordinary) I think air conditioning is really an amazing invention. Ich denke, Klimaanlage ist eine erstaunliche Erfindung. Tôi nghĩ điều hòa không khí là một phát minh tuyệt vời. Tôi nghĩ điều_hoà_không_khí là một phát_minh tuyệt_vời . I \| think \| air \| conditioner \| be \| one \| invention \| wonderful.

HSK5000 B2 + C1
3349 (noun: gunpowder) Gunpowder is one of the four great inventions of China. Schießpulver ist eine der vier großen Erfindungen Chinas. Thuốc súng là một trong tứ đại phát minh của Trung Quốc. Thuốc_súng là một trong tứ đại phát_minh của Trung_Quốc . Gunpowder \| is \| one \| of \| four \| great \| inventions \| of \| China.