Dichloroazodicarbonamide
二氯偶氮脒
🗣️ 情景例句
Come over to my place at you convenience.
方便时请来我处。
Could you tell me where is the first-aid room?
你能不能告诉我急诊室在哪里？
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。