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]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
可
kěㄎㄜˇ
can; may; able to; to approve; to permit; certain(ly); to suit; (particle used for emphasis)[cedict]
實際上
shí jì shàngㄕˊ ㄐㄧˋ ㄕㄤˋ
in fact; in reality; as a matter of fact; in practice[cedict]