phrase 1 ：

Root ：arm

Except for the meaning of arms , Because holding weapons with your hands , So there are armed forces , The meaning of equipping weapons

phrase 2 ：

Root ：op

Express do

copious originate copy , Adjective form , Because replication produces a large number of copies , So it contains ： rich , a large number of

operate production , operation , perform , These meanings all come from the root op The meaning of doing

cooperate namely co + operate That is, do it together , Show cooperation

opulent Make a lot of things , Later, it gradually became derogatory , That is to create a lot of useless things , Luxurious , luxuriant

phrase 3 ：

Root ： point 

Express Point to

appoint namely ap + point Where the prefix ap-- Emphasize , Namely the ........  Sent to , Point to , namely ： appointment , appointed

appointment  That is, specify a specific time , namely ： Appointment , Appointment , make an appointment

pointless There is no clear direction to , Direction , That is, meaningless , Not worth doing

phrase 4 ：

• Root ：bene 

Express good

Root ：fit ,fact

Express do

benefactor namely bene + ffact + or , People who do good , A philanthropist , Donor

• Root ：jour

It means a day ,day It means

journey That is, the journey of one day , That is, travel , trip

journal Record a day's journey , Diary , newspaper , The magazine

journalist The person in charge of recording , Reporters

journalism That is, the industry reporters are engaged in , Journalism

adjourm Prefix ad-- Strengthening tone , That is, designate another day , It is extended to rest , recess

phrase 5 ：

Root ：str

Express PULL , ye

street A long road , Streets

restrict Pull back repeatedly , The limit , limit  

restrain Inhibition , prevent

constrain Common bondage , That is, coercion , mandatory , force

distress among di + stress It means negative pressure , It is used as a noun to express ： sad , worry

district among dis-- Indicates separation , That is, separate bondage , Pull in one place , It indicates that the ： region , Area

phrase 6 ：

Root ：vol 

For rotation

involve Involve yourself , Which contains , To participate in

evolve Rotate and expand from the inside out , That is, gradual development , Evolution , evolution

revolution Repeated rotation , Change repeatedly , Revolution

phrase 7 ：

Root ：may

Table possible

magic That is, you can do anything possible , Magic