Cavity lining
[医] 洞衬料
🧩 词语组成解析
lining
['laɪnɪŋ]
n. 衬里，里子;衬料;衬套;
v. 排队(line的现在分词);
🗣️ 情景例句
You know something, Ellen?
知道一件事吗， Ellen？
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
He has a remarkable memory.
他有惊人的记忆力。