"an elementary problem in statistics" "elementary, my dear Watson" "a simple game" "found an uncomplicated solution to the problem"
"the elementary grades" "elementary teachers"
"an elementary need for love and nurturing"
elementary是什么意思
elementoid是什么意思
elements是什么意思
elemi是什么意思
elena是什么意思
elenchus是什么意思
elenctic是什么意思
eleoptene是什么意思
elephant是什么意思
elephantiac是什么意思