south cardinal mark
/ˈsaʊθ ˈkɑːdɪnəl ˈmɑːk/
n
English · south cardinal mark中文 · 南界标Español · señal cardinal del surFrançais · marque cardinale sud
Bedeutung：Buoy with two topmarks pointing downward that is placed to the south of a danger zone. cardinal marks