(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
散热器
sàn rè qìㄙㄢˋ ㄖㄜˋ ㄑㄧˋ
heatsink; heat spreader; fan (computer) (lit. scatter heat device)[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
睡觉
shuì jiàoㄕㄨㄟˋ ㄐㄧㄠˋ
to go to bed; to go to sleep[cedict]
呢
neㄋㄜ˙
níㄋㄧˊ
(question particle for subjects already mentioned)[cedict]