adj.不重要的
Merriam-Webster Online Dictionary
peripheral (adjective)1.
of, relating to, involving, or forming a or surface part - periphery
2.
a) of, relating to, affecting, or being part of the peripheral nervous system - peripheral nerves peripheral neuritis
b) of, relating to, or being blood in the systemic circulation - peripheral lymphocytes
3.
of, relating to, or being the outer part of the field of vision - good peripheral vision
4.
- auxiliary supplementary peripheral equipment , also of or relating to computer - peripherals
a device connected to a computer to provide communication (as input and output) or auxiliary functions (as additional storage)
Merriam-Webster Online Thesaurus
peripheral (adjective)available to supply something extra when needed
SYNONYMS:
accessorial, accessory, appurtenant, peripheral, supplemental, supplementaryRELATED WORDS:
backup, makeshift, substitute; added, additional, another, further; complementary, contributory; adjuvant, assistant, assisting, helping, supportive, tributary; secondary, subordinate, subservient, subsidiary; dispensable, excess, nonessential, superfluous, surplus, unessentialNEAR ANTONYMS:
basic, fundamental, primary, prime; all-important, essential, imperative, indispensable, integral, necessary, needed, needful, required, requisite, vital