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单词 trans
释义

trans1

/trɑːnz /
adjective Chemistry
Denoting or relating to a molecular structure in which two particular atoms or groups lie on opposite sides of a given plane in the molecule, in particular denoting an isomer in which substituents at opposite ends of a carbon-carbon double bond are also on opposite sides of the bond: the trans isomer of stilbene...
  • Initially the propellers sit on opposite sides of the molecule: the so-called trans isomer.
  • One example of the application of this technique is in the distinction of trans and gauche rotational isomers.
  • Where they are on opposite sides of the double bond, the arrangement is the trans arrangement.
Compare with cis1.

Origin

Independent usage of trans-.

trans2

/trɑːnz /
adjective
Short for transsexual or transgender.These concerns were put to the Facebook group by a number of trans activists....
  • I have known several trans men and some women.
  • I've added a gender studies area and am building up the stock of books for trans and bi people.
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更新时间:2025/1/10 15:22:51