somnolencen.
'sɔmnələns
中文n. 困倦；想睡；嗜眠症
词根词源
somnolence (n.)late 14c., from Old French sompnolence (14c.), from Latin somnolentia "sleepiness," from somnolentus, from somnus "sleep" (see somnus). Related: Somnolency.
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