Gastrodermis
肠表皮, 胃皮(无脊椎动物消化道内层)
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
I can't do two things at the same time.
我只有一双手。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。