obumbrate
英 [ɒ'bʌmbreɪt] 美 [ɒ'bʌmbreɪt]

vt.

使变暗，遮暗，遮蔽；

权威例句

Online Dictionary of Invertebrate Zoology: O
A description of May
Lore: a database management system for semistructured data
The R576 IL-4 receptor alpha allele correlates with asthma severity.
Safe and effective fine-grained TCP retransmissions for datacenter communication
Subunit‐specific gating controls rat NR1/NR2A and NR1/NR2B NMDA channel kinetics and synaptic signalling profiles
Beta-2 microglobulin in renal disease
Treatment of bleeding gastrointestinal vascular malformations with oestrogen-progesterone
Heterogeneous photocatalytic degradation of phenols in wastewater: A review on current status and developments
A Primary Linkage Map of the Porcine Genome Reveals a Low Rate of Genetic Recombination