| 单词 | double bond |
| 释义 | double bond (once / 288276 pages) n WORD FAMILY double bond: double bonds USAGE EXAMPLESThe newly free chemical handles bond to each other, forming a double bond between the neighboring carbon atoms. Science Magazine(Jun 17, 2016) Saturated fats are "saturated" or completely full of hydrogen, contain no double bonds and are usually solid at room temperature. US News(Apr 05, 2016) These atoms “bond” together using magnets that accurately portray the single bonds, double bonds and free electrons that make up the molecules of the universe. Time(Feb 16, 2016) n a covalent bond in which two pairs of electrons are shared between two atoms Hyper covalent bond a chemical bond that involves sharing a pair of electrons between atoms in a molecule |
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