n. 心跳(声), 打, 敲打声, 拍子
v. 打, 拍打, 打败
a. 疲乏的, 颓废的
beat的过去式
[计] 拍; 节拍
英文释义
n. a regular route for a sentry or policeman
n. a single pulsation of an oscillation produced by adding two waves of different frequencies; has a frequency equal to the difference between the two oscillations
n. the sound of stroke or blow
n. a regular rate of repetition