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protective covering是什么意思

protective covering

美  英
  近义词:protection,protectivecover,

英英释义

Noun
  1. a covering that is intend to protect from damage or injury;

    "they had no protection from the fallout" "wax provided protection for the floors"

  2. the tough natural covering of some organisms

例句

用作名词(n.)
  1. These electric wires are protected by a rubber covering.这些电线用橡胶作防护层。
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