It's not the best form of food in that they're actually very poor in protein, and unfortunately very, very rich in cyanide.

但木薯的根并不是最好的食物,因为它的蛋白质含量很少，而更不幸的是，它的氰化物含量非常，非常高。

麻省理工公开课 - 化学原理课程节选

And unfortunately, in order to get those stem cells, that requires killing the embryo.

而不幸的是，要想得到这些干细胞，就需要杀死胚胎。

干细胞和伦理 - SpeakingMax英语口语达人

Malaria causes a million deaths per year, and schistosomiasis, which is a parasitic disease, is unfortunately a common cause of death in the world.

疟疾每年造成一百万死亡,而血吸虫病,这是一种寄生虫病,不幸的是,它是世界上很常见的死因

耶鲁公开课 - 生物医学工程探索课程节选

When people get into real trouble in their lives, it's because of a sequence of bad events that push them into unfortunate positions and, very often, financial risk management is part of the thing that prevents that from happening.

人们总会在生活中遇到麻烦，一系列糟糕的事情,会将人们推向不幸的处境,而多数情况下，金融风险管理,可以防止这种情况发生。

耶鲁公开课 - 金融市场课程节选

What turns out to be the practical fact is that he who has the power and the will to do what he wants will be able to do so, and he who has not will be forced to suffer whatever the powerful impose on him.

事实上只有有能力及意愿,去做某事的人,才能最终做成某事,而没有能力或意愿的人则会因之,而遭受不幸

耶鲁公开课 - 古希腊历史简介课程节选

our culture looks to celebrities, fortunately and unfortunately sometimes, for, as role models

我们的文化关注名人，把他们当做榜样，这有时候是一种幸运，而有时候也是一种不幸。

演艺界起源地 - SpeakingMax英语口语达人

He said:The good, lasting stuff comes out of one's individual imagination, and sensitivity to, and comprehension of, not out of the memory of one's own grief.

他说：，“美好的和长久的东西,来源于人们自己的想像，而不是来自个人记忆中的不幸。

耶鲁公开课 - 1945年后的美国小说课程节选

It's for this second printing that Milton adds the headnote that you see here that now begins the poem: "In this Monody the Author bewails a learned Friend, unfortunately drown'd in his Passage from Chester on the Irish Seas, 1637."

在第二版中，他加上了眉批,你们现在都能看到：,“周一作者缅怀了一位，不幸于1637年在爱尔兰海上,溺水而亡的挚友“

耶鲁公开课 - 弥尔顿课程节选