2. consciousness   noun [uncountable]   

原句: The instant popularity of TED talks might saysomething promising about both our collective consciousness and our collective attention span.

意思: the state of being able to use your senses and mental powers to understand what is happening 

例句: She did not regain consciousness and died the next day.



3. apiece   adverb   

原句: The most popular clock 5 million or 6 million views apiece.

意思: ( used after a noun or number )  having, costing or measuring a particular amount each

字源: late Middle English: from a + piece. 

例句: The largest stones weigh over five tonnes apiece.



4. theoretical   adjective   

原句: Can't accommodate anything overly theoretical or technical.

意思:
a. concerned with the ideas and principles on which a particular subject is based, rather than with practice and experiment
b. that could possibly exist, happen or be true, although this is unlikely 

例句:
a. The first year provides students with a sound theoretical basis for later study.
b. It's a theoretical possibility.



5. subtitle   verb   

原句: The Open Translation movement has subtitled 10,000 videos in just one year.

意思: to give a  subtitle  or  subtitles  to a book, film/movie, etc 

例句: The article is subtitled ‘New language for new times’.