这枚戒指对我来说很有纪念意义。

This ring has great sentimental value for me.

《牛津词典》

这枚火箭发射于1980年3月。

The rocket was launched in March 1980.

《牛津词典》

他说他完全可以鉴定这枚邮票。

He says he'll have no problem authenticating the stamp.

《柯林斯英汉双解大词典》

We would know as a fact that George Washington threw a silver dollar across the Rappahannock River, except that it's impossible.

我们知道乔治华盛顿曾将一枚银币抛过,拉帕汉诺克河,但这明显是不可能的

耶鲁公开课 - 古希腊历史简介课程节选

But the servant who had been given only one talent hid the talent in the earth so as -- perfectly understandably ] - so as not to risk the only talent that he had been given.

但只得到一枚金币的仆人,把他的金币藏了起来--这可以理解,-为了不使这个他仅有的,金币丢了。

耶鲁公开课 - 弥尔顿课程节选

Development of an artificial heart, again another example of Biomedical Engineering, is something that people have been trying to accomplish for decades now, and this is the closest that we've come and there are many advantages of this particular artificial heart.

人造心脏技术的发展,是生物医学工程的另一个例子,科学家们,试图在这二十年中去改进它,而这是最接近成功的一个实例,这枚人造心脏有很多优点

耶鲁公开课 - 生物医学工程探索课程节选