睡太多或太少都有事！每天要睡多久才夠？How much sleep do you really need? | Sleeping with Science, a TED series

US /ˈkɑnstəntlɪ/

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UK /ˈkɒnstəntli/

US /sɪɡˈnɪfɪkənt/

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UK /sɪgˈnɪfɪkənt/

US /praɪˈɔ:rətaɪz/

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UK /praɪˈɒrətaɪz/

US /ˈtrɪɡɚ/

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UK /'trɪɡə(r)/