The role of women in war has been a hot topic of debate since the Gulf conflict.

自海湾冲突以来，女性在战争中的作用一直是一个热门的争论话题。

《柯林斯英汉双解大词典》

Sleep is a hot topic.

睡眠是一个热门话题。

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The crisis in Honduras has become a hot topic for conservative pundits in the past several days.

VOA: standard.2009.07.03

because I know that it's definitely a hot topic.

因为我知道这个话题太热门了。

生物克隆是热点问题 - SpeakingMax英语口语达人

If you can interfere with any stage in RNA processing you can stop a gene from being expressed and this is a very hot topic in molecular biology now and human therapeutics.

如果你能干扰RNA加工的任何一个阶段,你就能阻止一段基因的表达,这也是当今分子生物学,和新型疗法中非常热门的话题

耶鲁公开课 - 生物医学工程探索课程节选

Motivating employees is a hot topic in every company, every team, and with every manager.

FORBES: The Silicon Valley Secret to Motivating Employees

Immigration reform, I mean, this is a very hot topic today in the Senate.

NPR: Slate's Politics: Will Card Resignation Soothe GOP?

And thanks to ever-faster automated sewing, needle metallurgy is still a hot topic in engineering journals.

FORBES: Humanity's Unseen Weapons