peribothron
词形变化
peribothra
复数
peribothra
释义与例句
n.
-
1.
The point in an elliptical orbit around a black hole where the orbiting body is closest to the black hole.
天文
词源
From peri- + Ancient Greek βόθρος (bóthros, “pit”) + -(i)on.
来源:wiktionary