Periderm
n. 周皮\\n[医] 皮上层(胚); 表皮
🗣️ 情景例句
Thanks a lot. Bye.
多谢，再见。
Please come in; you're right on time.
请进，你正好准时到来。
CUSTOMS OFFICER: Are your friends tourists too?
你们的朋友也是来旅游的吗？