protective
  (a.)給予保護的,保護的
  pro·tec·tive /prəˈtɛktɪv/ 形容詞
  防護的
  protective
  保護
  Pro·tect·ive a.  Affording protection; sheltering; defensive. “ The favor of a protective Providence.”
  Protective coloring Zool., coloring which serves for the concealment and preservation of a living organism.  Cf. Mimicry. --Wallace.
  Protective tariff Polit. Econ., a tariff designed to secure protection (see Protection, 4.), as distinguished from a tariff designed to raise revenue. See Tariff, and Protection, 4.
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  protective
       adj 1: intended or adapted to afford protection of some kind; "a
              protective covering"; "the use of protective masks and
              equipment"; "protective coatings"; "kept the drunken
              sailor in protective custody"; "animals with
              protective coloring"; "protective tariffs" [ant: unprotective]
       2: showing a care; "a caring mother" [syn: caring]
       3: (usually followed by `of') solicitously caring or mindful;
          "protective of his reputation" [syn: protective(p)]