Vocabulary consisting only from characters you are able to read
微分学
bibungaku
differential calculusmath
浅黒い
asaguroi
darkish, swarthyadj
集まり
acumari
gathering, meeting, assembly, collectionjlpt3
緑の日
midorinohi
(n) Greenery Day (national holiday; May 4)namae, toki
耳にする
miminisuru
to hear, to hear by chance, to hear by accident, to catch (the sound)suru
本音
honne
real intention, motivemix