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GRE TOEFL 考研

解释

GRE 红宝书

• n. / v. 接触; 互通信息
• ［英］ n. / v. 接触 ( touching) ; 互通信息 ( communicating)
• ［记］ con ( 共同) +tact ( 接触) -> 共同接触
• ［同］ 同根词: intact ( 原封不动的) ; tactile ( 触觉的)

Webster Collegiate

I. noun

• Etymology: French or Latin; French, from Latin contactus, from contingere to have contact with — more at contingent
• Date: 1626
• 1.
  • a. union or junction of surfaces
  • b. the apparent touching or mutual tangency of the limbs of two celestial bodies or of the disk of one body with the shadow of another during an eclipse, transit, or occultation
  • c.
    • (1) the junction of two electrical conductors through which a current passes
    • (2) a special part made for such a junction
• 2.
  • a. association, relationship
  • b. connection, communication
  • c. an establishing of communication with someone or an observing or receiving of a significant signal from a person or object <radar contact with Mars
• 3. a person serving as a go-between, messenger, connection, or source of special information <business contacts
• 4. contact lens

II. verb

• Date: 1834
• intransitive verb
  • to make contact
• transitive verb
  • 1. to bring into contact
  • 2.
    • a. to enter or be in contact with ; join
    • b. to get in communication with <contact your local dealer
• Usage:
  • The use of contact as a verb, especially in sense 2b, is accepted as standard by almost all commentators except those who write college handbooks.

III. adjective

• Date: 1859
• maintaining, involving, or activated or caused by contact <contact poisons<contact sports<contact dermatitis

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