electric smoking system, where tobacco is heated but not burnt

to use / to employ / to make use of, to apply / to spend

(act of) heating

to heat

ceremony, ritual, function / type, style / (mathematics) a formula or expression

tobacco

Obsolete spelling of タバコ (“tobacco”)

Obsolete spelling of タバコ (“tobacco”)

(と〜) thinking that […] (with the next clause explaining that the truth is contrary to expectations)

to seem, to appear