VOA慢速英语:我们能从狗狗身上学到什么?

proverb – n. a popular saying

sleep spindles – n. a burst of brain activity that signals the beginning of deeper sleep

quantify – v. to find or calculate the quantity or amount of (something)

confused – adj. unable to understand or think clearly

decline – v. to become worse in condition or quality

novel – n. new and different from what has been known before

senior – adj. of or related to a higher rating or education