Immunostain
n. 免疫标记
🗣️ 情景例句
Hello.
哈啰。
To send mail(a letter)
邮寄邮件
Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。