English Dictionary

black triangle

noun

Used other than figuratively or idiomatically: see black, triangle. / (ufology) One of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.

The black triangle flew across the night sky.

意味（1）

Used other than figuratively or idiomatically: see black, triangle.

意味（2）

(ufology) One of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.

Somewhere behind that blinking yellow light that black triangle was hovering, (or moving only a few miles per hour), in our direction, straight at us.