The vast majority of bacteria do not cause disease, and many bacteria are actually helpful and even necessary for good health. These bacteria are sometimes referred to as âgood bacteriaâ or âhealthy bacteria.â. Harmful bacteria that cause bacterial infections and disease are called pathogenic bacteria.
catch-up adjective [before noun]. âº used to âdescribe something that âhelps you âreach the same âstandard or âstage as âothers, usually after you have âmissed something such as âlessons or âopportunities to âpractise: catch-up âexercises/âsessions. the âprocess of âtrying to âreach the same âstandard or âquality as someone or something else when they have become more âadvanced or âsuccessful: I'm playing catch-up because of the weeks of âtraining I have missed. (Definition of catch up from the Cambridge Business English Dictionary Â© Cambridge University Press).
Then (Some of them want to use you/Some of them want to get used by you/Some of them want to abuse you/Some of them want to be abused) is indicative of the types of people you run into in daily life. Finally, (Hold your head up/Keep your head up/Movin' on) means that you must move on despite these obstacles. Or, the song can be applied to a lot of different conflicts (or blissful breakthroughs), which would make the song rather versatile in movies involving predicaments in the beginning which are solved in the end.