Mesectoderm
中外胚层
🗣️ 情景例句
You name it, I've written it.
你说得出的 ，我都写过。
He has a pound of beef.
他有一磅牛肉。
Zhou Lan, can I have a look at your copy of China Daily?
周兰，我可以看看你这张《中国日报》吗？