Diphdrotachysterol
二氢速甾醇
🗣️ 情景例句
Have you got any experience in advertising?
你有广告方面的经验吗？
Poverty is the root of all evils.
穷困是万恶之源。
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。