Epithelial wall
[医] 上皮壁
🧩 词语组成解析
epithelial
[ˌepɪ'θi:lɪrl]
adj. 上皮的，皮膜的;
🗣️ 情景例句
You always know the right thing to say.
你说话得体。
All things are difficult before they are easy.
凡事必先难后易。
Let me see your driver's license, please.
请让我看看你的驾驶执照。