addition

n.加，加法；附加物

adapt oneself to, adapt to, adapt...to, adaptability, adaptable, adaptation, adaption, adaptive, adaptor, ADC, add, add sth. to sth., add up, add up to, addendum, adder, addict, addicted, addiction, addictive, additional, additionally, additive, addle, address, adduce, adenoidal, adenoids, adept, adequacy, adequate, adequately, adhere, adhere to, adherence, adherent, adhesion, adhesive, adieu, adipose,