Vocabulary consisting only from characters you are able to read
切線
sessen
tangent (in trigonometry)mix
下ろす
orosu
(1)to take down (e.g. flag), to launch (e.g. boat), to drop, to lower (e.g. ladder), to let (a person) off, to unload, to discharge, (2)to drop off (a passenger from a vehicle), to let (a person) of godan, verb, vtrans