Ear-drum
[医]（耳）鼓膜, 鼓室
📖 牛津释义
ear-drum
(also drum) n thin membrane in the inner part of the ear which vibrates when sound waves strike it 鼓膜. =>illus 见插图.
🧩 词语组成解析
ear
[iə]
n. 耳朵;听觉，听力;耳状物;穗;
vi. 抽穗;（美俚）听见;
drum
[drʌm]
n. 鼓;鼓状物;鼓声;石首鱼;
vt. 击鼓;连打;反复讲;鼓吹;
vi. 击鼓;连打;拍翅;
🗣️ 情景例句
This Friday.
这个星期五。
Sailboats glided motionlessly across the lake.
帆船静静地像滑动似的在湖上前进。
We have this item in three price levels.
此一品目，我们分三种等级的价格。