Vocabulary consisting only from characters you are able to read
脈管
myakkan
vascular system, blood vessel, ductjlpt3
大和
yamato
(1)Yamato/ancient province corresponding to modern-day Nara Prefecture/ (2)(ancient) Japan/(adj-f) (3)Japanese/(P) namae
三角形の内角のはπである。
sankakukei no naikaku noha π dearu.
The sum of inner angles of a triangle is π.math
防水
bousui
waterproofing, making watertightsuru