2. ubiquitous   adjective   

原句: He knew that some people would view a world of ubiquitous gaming with fear.

意思: seeming to be everywhere or in several places at the same time; very common

字源: mid 19th cent.: from modern Latin ubiquitas (from Latin ubique ‘everywhere’, from ubi ‘where’) + -ous. 

例句: Blue is derived from the ubiquitous indigo plant.



3. distraction   noun [countable/uncountable]   

原句: More comfortable and employ advanced optics to filter out reflections and other distractions that can cause eye strain.

意思: a thing that takes your attention away from what you are doing or thinking about

字源: late Middle English: from Latin distractio(n-), from the verb distrahere, from dis- ‘apart’ + trahere ‘to draw, drag’. 

例句: I find it hard to work at home because there are too many distractions.



4. recruit   verb   

原句: He and his colleagues recruited 200 children.

意思: to find new people to join a company, an organization, the armed forces, etc

字源: mid 17th cent. (in the senses ‘fresh body of troops’ and ‘supplement the numbers in a group’): from obsolete French dialect recrute, based on Latin recrescere ‘grow again’, from re- ‘again’ + crescere ‘grow’. 

例句: The police are trying to recruit more officers from ethnic minorities.



5. moderately   adverb   

原句: About one-fourth of the players wore accelerometers during practices to calculate how much of the time they were moderately to vigorously active.

意思:
a. to an average extent; fairly but not very
b. within reasonable limits 

例句:
a. She only did moderately well in the exam.
b. He only drinks (alcohol) moderately.