teeter

vi. 步履不穩地走動、踉蹌、搖晃、搖擺不定、搖搖欲墜、玩蹺蹺板

n. 踉蹌、搖擺、蹺蹺板

學術名詞

前後動：電機工程、電力工程
上下搖擺：電機工程、電力工程

英文釋義

a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
move unsteadily, with a rocking motion