Sound-absorption coeffecient
[电] 吸音系数
🧩 词语组成解析
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
I talked to Mr. Marchetta.
我跟Marchetta先生谈了。
To read without reflection is like eating without digestion.
学而不思，犹如食而不化。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。