lethargies

n.

昏睡( lethargy的名词复数 )；没精打采，懒洋洋；

1. Several hours after the surgery, she was still in her lethargy.
   手术过後几小时,她仍然昏睡不醒。
2. She was suddenly overcome by lethargy.
   她突然委靡不振。
3. Winston roused himself a little from his lethargy.
   温斯顿从懒洋洋的惰性中振作起一些来。
4. The bird's lethargy in the morning was unusual.
   这只鸟在早上就无生气,很不寻常。
5. She suffers from bouts of lethargy and depression.
   她一阵阵无精打采、情绪低落.

Neutron slowing down and transport in an infinite medium - II: the scalar flux at large distances/small lethargies
Heavy Moderator Approximations in Neutron Transport Theory
AN ANALYSIS OF METHODS FOR CALCULATING SPATIALLY DEPENDENT NEUTRON SLOWING DOWN DISTRIBUTIONS
FR 10-010510 article
L'université de Louvain et la question linguistique