week4 字源

equi-：equal
voc-、vok-：to tell
ex：equivocate


for-：before
ex：fortuitous、forward

tri-：three
ex：triplet(s)

pec-：without doubt
ex：impeccable

audi-：to listen
ex：audience

flaw-：mistake or fault in something that make it useless or less effective
ex：flawless

pre-：before
ex：preview、predisposed

pro-：1. many、much：proceed
           2. in favor of ：propensity
pro-：proponent<=>op-：opponent
                                  ob-：obstacle

re-：again
ex：replay、review

spect-：to look
specter、inspector、suspect

circum-：circulate
ex：circumstance、circumvent

elderly is a adjective

taken a fertility drug：a drug given to a woman to improve her fertility

fell to the floor

in the first place：at first

RIP：rest in peace
Rip van winkle is a story same as Urashima Taro