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
Well, that's what fathers are for.
嗯，父亲们的用处正在于此。
Get your money's worth.
经济实惠。
It's smaller than the blue one.
它比那件蓝色的还要小。