n.a condition (mostly in boys) characterized by behavioral and learning disorders
同义词：attention deficit disorderattention deficit hyperactivity disorderADHDhyperkinetic syndromeminimal brain dysfunctionminimal brain damageMBD
v.
make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
"We added two students to that dorm room"; "She added a personal note to her letter"
state or say further
同义词：appendsupply
bestow a quality on
"The music added a lot to the play"; "This adds a light note to the program"
同义词：lendimpartbestowcontributebring
make an addition by combining numbers
同义词：add together
determine the sum of
同义词：totaltottot upsumsum upsummatetote upadd togethertallyadd up
constitute an addition
"This paper will add to her reputation"
