Percussion sound
[醫] 叩診音
?? 詞語組成解析
sound
[sa?nd]
n. 聲音，聲響;音調，聲調;聲波;嘈雜聲;
vi. 響，發聲;聽起來，好像;回響;[音樂]樂器等被奏響;
vt. 使出聲，使發聲;清楚地發出;宣布，發表;頌揚;
adj. 健全的;合理的;完好的，無損的;明智的;
adv. 徹底地，充分地;
??? 情景例句
Open it, please.
請打開看看。
Shooting star
流星
They were in fashion last year and the year before last.But they're not in fashion this year.
這鞋在去年和前年時興，而今年已不流行了。