Dehydrobiotin
去氢生物素
🗣️ 情景例句
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
The problem is far from easy.
这问题绝非易事。
A man may acquire great knowledge of topics unconnected with his daily work,
一个人可能会获得与其日常工作无关的某些课题的渊博知识，