sop·o·rif·ic
adjective/ˌsɒpəˈrɪfɪk/
/ˌsɑːpəˈrɪfɪk/
(formal)- making you want to go to sleep
催眠的；让人瞌睡的 - the soporific effect of the sun
太阳让人昏昏欲睡的作用
Wordfinder- doze
- dream
- drowsy
- insomnia
- oversleep
- REM
- sedative
- sleep
- soporific
- tired
Oxford Collocations DictionarySoporific is used with these nouns:- effect
Word Originmid 17th cent.: from Latin sopor ‘sleep’ + -ific. - the soporific effect of the sun