Vocabulary consisting only from characters you are able to read
同時に
どうじに
coincident with, while, simultaneouslyjlpt3
切線
せっせん
tangent (in trigonometry)mix
手がかり
てがかり
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
思いつく
おもいつく
to think of, to hit upon, to come into one's mind, to be struck with an ideagodan, jlpt3, verb
新人
しんじん
(1)new face/newcomer/ (2)modern humans (from Cro-Magnon man onwards)/(P) adj, leda1