Tympanic covering layer
[医] 鼓[阶]被覆层(蜗管)
🧩 词语组成解析
a. 鼓似的, 鼓膜的, 鼓室的\\n[医] 鼓室的; 鼓膜的
covering
['kʌvəriŋ]
n. 掩蔽物，遮盖物;
v. 覆盖( cover的现在分词);
layer
['leiə]
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
🗣️ 情景例句
Ellen, where's the cinnamon? Ellen
肉桂放在哪？
The class made noticeable improvement.
这班有明显的进步。
The hospital had been bombed and Hans had made his way back into Western Germany on foot.
医院遭到轰炸，汉斯步行回到了西德。