Question

soporific 【soporific】adj.催眠的After his soporific speech for an hour, the speaker received no applause from the audience.在那催眠般的一小时演讲后，演说者没有得到任何来自听众的掌声。

Accepted Answer

[ˌsɑːpə'rɪfɪk] 
soporificsleep inducing
Something that is soporific is sleep-inducing. Certain medicines, but also extreme coziness, can have a soporific effect.
In the 1680’s, soporific, which doubles as both adjective and noun, was formed from the French soporifique. That word, in turn, came from the Latin sopor “deep sleep.” Beloved Peter Rabbit author Beatrix Potter once noted that, “It is said that the effect of eating too much lettuce is 'soporific'."
All forms of 'soporific' will appear on average once every 14592 pages.soporific

Front	soporific
Pron	[ˌsɑːpə'rɪfɪk]
Back	【soporific】 adj.催眠的 After his soporific speech for an hour, the speaker received no applause from the audience. 在那催眠般的一小时演讲后，演说者没有得到任何来自听众的掌声。
Vocab	soporificsleep inducing Something that is soporific is sleep-inducing. Certain medicines, but also extreme coziness, can have a soporific effect. In the 1680’s, soporific, which doubles as both adjective and noun, was formed from the French soporifique. That word, in turn, came from the Latin sopor “deep sleep.” Beloved Peter Rabbit author Beatrix Potter once noted that, “It is said that the effect of eating too much lettuce is 'soporific'." All forms of 'soporific' will appear on average once every 14592 pages. soporific

Soporific ˌsɑːpə'Rɪfɪk Adj.催眠的 Speech Hour Speaker Received Applause