Flapping sound
[医] 拍击音
🧩 词语组成解析
[计] 抖动
sound
[saʊnd]
n. 声音，声响;音调，声调;声波;嘈杂声;
vi. 响，发声;听起来，好像;回响;[音乐]乐器等被奏响;
vt. 使出声，使发声;清楚地发出;宣布，发表;颂扬;
adj. 健全的;合理的;完好的，无损的;明智的;
adv. 彻底地，充分地;
🗣️ 情景例句
OK.
好。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。