| 单词 | bivalent |
| 释义 | bivalent (once / 223006 pages) 1adj 2adj WORD FAMILY valent: bivalent, valency, valenter USAGE EXAMPLESThe new vaccine is bivalent instead of trivalent — that is, it contains vaccine against two polio strains, Type 1 and Type 3. New York Times(Apr 11, 2016) The global polio eradication initiative, led by the WHO, has planned a worldwide switch from trivalent oral polio vaccines to bivalent ones next month. The Guardian(Mar 16, 2016) In the trial of the bivalent vaccine, volunteers received one of two doses. Nature(Nov 25, 2014) 1 adj having a valence of two or having two valences 2Syn divalent adj used of homologous chromosomes associated in pairs in synapsis Syn|Ant double univalent used of a chromosome that is not paired or united with its homologous chromosome during synapsis multivalentused of the association of three or more homologous chromosomes during the first division of meiosis |
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