“buzzers”造句，怎麼用buzzers造句

Steps led up to a silver panel of buzzers.

If at all possible, use fodder units like disintegrators and buzzers while fighting.

Gates in their small courtyards were equipped with buzzers.

These include mechanical shafting, buzzers, light signals, and synchro systems for transmitting gun orders and other quantities that may be represented as angular displacements.