极

extremely / pole (geography, physics) / utmost / top

and / to reach / up to / in time for

(bound form) tree / (bound form) wood / unresponsive; numb; wooden

the North Pole / the Arctic Pole / the north magnetic pole

northern lights / aurora borealis

the two poles / the north and south poles / both ends of sth / electric or magnetic poles

Arctic Circle

extreme joy turns to sorrow (idiom); Don't celebrate too soon, things could still go wrong!

diode / vacuum tube

polarizing lens / polarizer

dipole (e.g. magnetic dipole)

photodiode / light-emitting diode (LED)

photodiode

polarization

to polarize / polarization / polarized; divergent

Ba Ji Quan "Eight Extremes Fist" - Martial Art

(physics) polarization

triode (vacuum tube or transistor)

unpolarized (light)

to have reached the highest official positions

polarity / polarized (light)

polarization / polarized

polarizing filter