Stories of USA Today
Materials for Reading & Listening Practice
Quick Access Resources:
Print PDF Quiz/Test Online Study
 Group (E F) - Spelling Practices
Word List   Previous   Next    
Read [Esc] (1)
a.
(生态的,生态学的) of or relating to the science of ecology; characterized by the interdependence of living organisms in an environment


Spelling Word: ecological
Read [Esc] (2)
a. Syn. thrifty; saving
(经济的,节俭的) thrifty; saving; using the minimum of time or resources necessary for effectiveness


Spelling Word: economical
Read [Esc] (3)
a.
(电磁的) pertaining to or exhibiting magnetism produced by electric charge in motion


Spelling Word: electromagnetic
Read [Esc] (4)
n.
(被雇用,雇用,使用) act of employing or using; work in which one is engaged; occupation


Spelling Word: employment
Read [Esc] (5)
v. Syn. picture; visualize
(想象,预想) picture in the mind; imagine


Spelling Word: envision
Read [Esc] (6)
n. Syn. era
(时代) particular period of history, especially one considered remarkable


Spelling Word: epoch
Read [Esc] (7)
a. Syn. racial
(种族的) relating to races; group of people sharing common racial, national, or religious heritage


Spelling Word: ethnic
Read [Esc] (8)
v.
(不正当的利用,开发) make use of, sometimes unjustly


Spelling Word: exploit
Read [Esc] (9)
v. Syn. stretch; prolong
(延长,扩大) open or straighten something out; unbend; prolong


Spelling Word: extend
Read [Esc] (10)
a. Syn. weak; limp
(优柔寡断的性格,软弱的,没气力的) weak; lacking firmness


Spelling Word: flabby