orthocenter的翻译，读音
英/'ɔ:θә,sentә/
释义：
垂心, 重心
n. That point in which the three perpendiculars let fall
from the angles of a triangle upon the opposite sides, or the sides
produced, mutually intersect.
n. That point in which the three perpendiculars let fall
from the angles of a triangle upon the opposite sides, or the sides
produced, mutually intersect.