VOA慢速英语:释放更多的精神空间

frequency – n. technical : the number of times that something (such as a sound wave or radio wave) is repeated in a period of time (such as a second)

band – n. a range of frequencies (as of radio waves)

data – n. information in digital form that can be transmitted or processed

attention span – n. the length of time during which one (such as an individual or a group) is able to concentrate or remain interested

all-consuming taking all of a person's time and attention : being the only thing a person thinks about

swamped – n. to cause (someone or something) to have to deal with a very large amount of things or people at the same time — usually used as (be) swamped