Placentolysin
胎盘溶素
🗣️ 情景例句
Surprise.
惊喜。
Is this your book?
这是你的书吗？
That's very kind of you, but I want to speak to him about my son, Jim Green.
你真好，谢谢您。不过我想和校长谈谈我儿子吉姆·格林的事情。