Exoderm
n. [生]外胚叶, 外胚层
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
You'll be sick, if you aren't careful.
你不小心的话，就会生病。
She does, doesn't she! I read she's twenty-nine,- but she must be at least forty.
是的，谁说不是呢！我从报上看到她是29岁，但她一定至少有40岁了。