Dihydroriboflavin
二氢核黄素
🗣️ 情景例句
Morning.
早安。
Would it be possible for me to have a closer look at your samples?
可以让我参观一下你们的产品陈列室吗？
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手，他的伙伴在过去的15分钟里一直在滑水。