elongate
v.
"to make long or longer," 1530s, from Late Latin elongatus, past participle of elongare "to prolong, protract" (see elongation). Earlier in the same sense was elongen (mid-15c.). Related: Elongated; elongating.
〔李〕[e-(ex-);long;-atev.] v.拉长； 伸长； 延长 a.延伸的 ←long (L longus)=long 长的