Right on 4 vocabulary module 5 (explanations version)

a clever idea

(a)  

a large pile of something

(a)  

to build

(a)  

to create the plan or drawing for sth

(a)  

a disease caused by germs or viruses

(a)  

to notice carefully / to see, watch, perceive, or notice

(a)  

to look like / similar to...

(a)  

to join together

(a)  

to demand

(a)  

to move your finger and thumb together on a part on a screen to make an image smaller or bigger

(a)