Echinenone
海胆酮, β-胡萝卜素-4-酮
🗣️ 情景例句
And if I can be of any help,
如果我能有所帮忙的话，
Lock the stable door before the steed is stolen.
马未偷走前，厩门先锁上。
Maybe we could start with the Designing Department.
也许我们可以先参观一下设计部门。