成年公鹿通常在夏末或初秋鹿茸脱落时制造擦痕。

Adult male deer usually produce rubs in late summer or early autumn when the outer velvet layer is being shed from their antlers.

youdao

就是说当我醒来时——准确说我是被男朋友准备去上班时制造出的大量噪音惊醒的。

That is when I wake up - well I am woken up by my boyfriend making too much noise as he's getting ready for work.

youdao

在设计和制造用来解决具有挑战性的科技问题的仿生材料时，该技术开辟了新道路，提供了新的机遇。

The technology opens up new opportunities in the design and manufacture of bio-mimetic materials that can solve challenging technological problems.

youdao

So this gene is going to be turned on in the sheep when it makes milk, under conditions where it makes milk.

这段基因会被激活,这段基因会在羊制造乳汁时被激活

耶鲁公开课 - 生物医学工程探索课程节选

The problem is you've got to make hundreds of millions of doses sometimes in order to have an effect on progress of the disease.

问题是有时候你不得不去制造几亿支疫苗,以便在疾病进展时发挥作用

耶鲁公开课 - 生物医学工程探索课程节选

I also talked last time about smallpox and the perceived need to produce more smallpox vaccine in the event that smallpox is used as a weapon in 2002.

上次我也谈论过了天花,以及在二零零二年天花被当作武器使用时,制造出更多天花疫苗的必要性

耶鲁公开课 - 生物医学工程探索课程节选