Practice the pronunciation of the following words and word combinations. Learn them by heart.
Electron [i`lektron]
nucleus [`nju:kli?s]
positively charged particle [`pozitivli `t?a:d3?d `p?:tik(?)l]
proton [`pr?uton]
uncharged particle [?n`t?a:d3?d `p?:tik(?)l]
neutron [`nju?tron]
to gain [gein]
to constitute [`konsti,tju:t]
electric current [i`lektrik `k?r?nt]
source of energy [so:s ov `en?d3i]
nuclear power [`nju:kli? `pau?]
natural source [`n?t??r(?)l so:s]
primary source [`praim?ri so:s]
kerosene lamp [`ker?,sin l?mp]
stove [st?uv]
experiment [ik`sperim?nt]
invention [in`ven?(?)n]
electric light bulb [i`lektrik lait b?lb]
arc lights [‘a:k ‘laits]
electric generator [i`lektrik `d3en?,reit?]
device [di`vais]
wire [`wai?]
electrically conductive material [i`lektrik(?)li k?n`d?ktiv m?`ti?ri?l]
to rotate [r?u`teit]
to induce [in`dju:s]
electric utility power station [i`lektrik ju:`tiliti `pau? `stei?(?)n]
steam turbine [sti:m `tç:bain]
internal-combustion engine [in`tç:n(?)l k?m`b?st?(?)n `end3in]
gas combustion turbine [g?s k?m`b?st?(?)n `tç:bain]
water turbine [`wo:t? `tç:bain]
wind turbine [wind `tç:bain]