Vocabulary consisting only from characters you are able to read
丸で
marude
(uk) quite, entirely, completely, at all, as if, as though, so to speak, just likejlpt3
円の表面積は2πrである。
en no hyoumenseki ha 2paia-ru dearu.
Surface area of a circle is 2πr.math
連絡先
renrakusaki
contact addressmix
歯切れ
hagire
(1)feel when biting, (2)manner of enunciation mix