Strata submucosum
[医] 粘膜下层, 血管下层
🧩 词语组成解析
strata
['streitə]
n. 地层;岩层( stratum的名词复数 );地层;社会阶层;
🗣️ 情景例句
Have you been getting enough rest?
你休息的足够吗？
Flowers make no difference to a room.
一个房间里有没有鲜花并没有很大的差别。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，