Misuse of coward as an adjective
She said, 'You are a coward boy.'
She said, 'You are a coward.'
Coward (= one without courage) is the noun. The adjective is cowardly.
Precaution while using Microscope
When you pick up the microscope and walk with it, grab thearmwith one hand and place your other hand on the bottom of thebase. Be sure to clean and disinfect the eyepiece! The eyes, nose, and mouth spread germs and bacteria very easily, and its realistic someone could catch an infection from a dirty eyepiece. So wipe it down well with a soft cloth and disinfectant glass cleaner after every use.