defect

• 名词，指缺点、瑕疵或不足之处，例如产品、系统或物体中的缺陷或不完善之处。

A noun referring to a flaw, imperfection, or shortcoming in something, such as a product, system, or physical object.

1. Imperfection or flawB2formal

   A shortcoming, imperfection, or lack of something necessary for completeness or function.

   缺陷

   • The product was recalled due to a manufacturing defect.
   • A small defect in the glass made it less valuable.
   • The engineer identified a structural defect in the bridge.

   同义词blemishdeficiencyfaultflawimperfectioninadequacyshortcomingweakness

   反义词excellenceintegrityperfectionsoundness

2. Physical blemishB2formal

   An imperfection in a physical object or body part.

   缺陷

   • The diamond had a tiny defect visible under magnification.
   • The doctor examined the skin defect carefully.
   • The car's paint had a small defect near the door handle.

   同义词blemishfaultflawimperfectionshortcomingweakness

• 指背叛并脱离自己的国家、组织或忠诚，投靠另一方，常用于政治或军事语境。

A verb used to indicate the act of abandoning one's country, cause, or allegiance for another, often in a political or military context.

1. Abandon allegianceB2formal

   To leave one's own country, political party, or group to join an opposing one.

   叛逃

   • The spy defected to the enemy side during the war.
   • Several members defected from the party to form a new coalition.
   • He defected from his home country seeking political asylum.

   同义词abandonapostatizebetraydesertgo over

   反义词remainstay