Periderm
n. 周皮\\n[医] 皮上层(胚); 表皮
🗣️ 情景例句
Do you already have a boyfriend?
你已经有男朋友了吗？
The chicken will be dinner.
晚餐要吃鸡肉。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。