Echinenone
海胆酮, β-胡萝卜素-4-酮
🗣️ 情景例句
Mary, we're going to miss you.
玛丽，我们会很想你的。
How was it, sir?
它好吗？先生。
It was officially opened on March 7,1994, finally connecting Britain to the European continent.
它于1994年3月7日正式开通，将英国与欧洲大陆连到了一起。