radar

n. /ˈreɪdɑːr/ B2

雷达

A system using radio signals to find the position of objects.

仙境例句

Alice dreamed of a radar that could find the White Rabbit anywhere, even in the dark.

爱丽丝梦见一台雷达，无论白兔躲在哪里，哪怕在黑暗中，它都能找到。