Based on the 19th century American writer, Edgar Allan Poe's aesthetic ideas and creation principles, I take three problems as my primary subjects.

本文以19世纪美国作家埃德加·爱伦·坡的美学观点和创作原则为研究对象，主要探讨了三个问题。

youdao

youdao

youdao

In one study,infected mothers began to take three anti-H.I.V.drugs while breastfeeding for up to six months.

VOA: special.2009.07.29

Three plus five. I can take something to a power, double star, just take three to the fifth power.

+5，我也可以,求一个数的次方，例如求3的5次方。

麻省理工公开课 - 计算机科学及编程导论课程节选

I believe that it is. This is -- Let's take a quick poll of the three of you.

我认为有错-,你们三人来一个快速投票。

耶鲁公开课 - 公正课程节选

"Training was the perfect dichotomy -- Fridays and Saturdays I would sit in class all day and on Sundays I would take three- to four-hour runs, " she said.

WSJ: Earning an E.M.B.A. for Future Growth

But one of the issue if you have with that is for disease and pests, if you want to have crop rotation which when you only have one place to grow something it's kind of like, am I going to take three years off growing tomatoes.

NPR: Vegetable Gardening On A Budget

Around three pm I take a green break, time for a walk around the lovely little lake at the end of our street.

FORBES: Protecting Your Creative Energy