scent mark
noun/ˈsent mɑːk/
/ˈsent mɑːrk/
(also scent marking)
- a natural substance with a strong smell that is left by an animal on the ground, on a tree, etc., for example to mark its territory or as a signal to other animals
气味标记：动物在地面，树木等上留下的具有强烈气味的天然物质，例如用于标记其领土或向其他动物发出信号