Subepithelial
[医] 上皮下的
🗣️ 情景例句
A grandfather clock would look great in the den.
休息室里放一座落地钟会很漂亮的。
Beard the lion in his den.
老虎头上捉虱；太岁头上动土。
In summer it is often too hot, and in winter it is too cold.
夏天常常太热，冬天又常常太冷。