P=U*I
=IR*I=I平方*R
=U*U/R=U平方/R
=W/T
这是最基本的不管是否是纯电阻电路
doing和todo很多也..
wanttodo/begoingto(do)/
beeagertodo/somethingtodowith/determinetodosth./takeoccasiontodo/haveenoughtodo/bedisposedtodo/takeordertodo/asktodo/wishtodo/offertodo/decidetodo/helptodo/learntodo/agreetodo/refusetodo/hopetodo/wanttodo/expecttodo/promisetodo/plantodo/preparetodo/seizeoccasiontodobedyingtodo/better-to-do/failtodo/pinetodosth/findAtodo/havetodowith/bedeterminedtodo/beaskedtodo/defysbtodo/havegottodo/bedestinedtodo/wouldliketodo
.
confesstodoingsth./comeneardoing/bebusydoing.../foolsb.intodoing/keepdoingsomething/employoneselfdoing/beworthdoing/denydoing/forgetdoing/intenddoing/gooutdoing/learningbydoing/bebusydoinglivebydoing(跟2楼重复的就不列了)
还有一些是
forgetdoing/todo
begin(start)doing/todo
learntodo(doing).