Gastrodermis
肠表皮, 胃皮(无脊椎动物消化道内层)
🗣️ 情景例句
I heard you cheated on your exams.
我听说你考试作弊了。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
I'm sorry, I can't. Is it under the teacher's desk?
对不起，我没见过，是不是在老师的讲桌底下？