east cardinal mark
/ˈiːst ˈkɑːdɪnəl ˈmɑːk/
n
English · east cardinal mark中文 · 东方位标Español · señal cardinal del esteFrançais · marque cardinale est
Bedeutung：Buoy with two base-to-base topmarks that is placed to the east of a danger zone. cardinal marks