| 释义 |
ret·i·cle
\ˈred.]ə̇kəl, -et], ]ēk-\ noun
(-s)
Etymology: Latin reticulum little net, reticulum
: a system of lines, dots, cross hairs, or wires in the focus of the eyepiece of an optical instrument (as a gunsight, microscope, telescope, or transit) used typically for estimating speed or distance, for measuring or counting, or as a centering or aiming device |