VOA慢速英语:日间伤口愈合更快

sustain – v. to deal with or experience (something bad or unpleasant)

database – n. a collection of pieces of information that is organized and used on a computer

journal – n. magazine

o’clock – adj. used for showing position of an hour hand on a clock or timer

respond – v. to do something as a reaction to something that has happened or been done​

evolve – v. to change or develop slowly often into a better, more complex, or more advanced state : to develop by a process of evolution​

occur – v. to happen​

two-fold – adj. twice as much or as many

implication – n. a possible future effect or result — usually plural

surgical – adj. of or relating to the process of performing a medical operation​