Polyptychic glands
[医] 复层[细胞]腺
🧩 词语组成解析
n. 腺体（gland的复数）；气封
🗣️ 情景例句
I'm not so young anymore.
我不再那么年轻了。
It's fine once you get used to it.
习惯就好！
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。