Unit 105

extant / extend / extent

extant adj. 现存的，仍然存在的 (currently or actually existing) /ˈɛkst(ə)nt/

• The giant panda remains on the endangered list because there are less than 2,500 of the bears extant in the world.

extend v. 延伸，扩展 (to become longer or to be able to become longer) / ɛkˈstɛnd/

• We decided to extend our living space by building an addition to the kitchen.

extent n. 范围，程度 (the point or limit to which something extends or reaches) / ɛkˈstɛnt/

• The ladder's extent was just short of the height we needed to access the roof.

expand / expend

expand v. 扩张，扩展 (to increase in size, range, or amount) /ɪkˈspand/

• My dad's waistline has expanded so much that he had to go up two trouser sizes.

expend v. 花费 (to use or spend something) / ɛkˈspɛnd/

• I think it is wasteful for so many American dollars to be expended building a wall between the U.S. and Mexico.

v. 用…做某事 (to use (time, energy, etc.) for a particular purpose)

• Yentl expended a lot of effort on trying to collect all the Pokémon Go characters.

hapless / mishap

hapless adj. 倒霉的，不幸的 (having no luck) /ˈhapləs/

• Jane made a hapless attempt to find her umbrella before leaving without it.

mishap n. 不幸 (an unfortunate accident) /ˈmɪshap/

• Kai's mishap, falling off the bridge into the river, resulted in several bruises and a gash on his cheek.

crave / ravenous / craven / rave

crave v. 恳求，渴望 (to desire (something)) / kreɪv/

• After working inside the office all week, Hisham craved a break in the fresh air of the open country.

ravenous adj. （指饥饿，渴求等）极度的 (very eager or greedy for food, satisfaction, or gratification) /ˈrav(ə)nəs/

• Jesse came home ravenous after forgetting to bring his lunch bag to school.

craven adj. 懦弱的 (lacking the least bit of courage) /ˈkreɪv(ə)n/

• Pamela had a dreadfully craven response to the fire, leaving her children behind and saving only herself.

rave v. 咆哮 (to speak out wildly) / reɪv/

• The lunatic rocked back and forth, raving wildly to himself.

v. 热烈赞美 (to talk or write about someone or something in an excited or enthusiastic way)

• The critics raved about the movie, saying that it was sure to win an Oscar award.