21.   She yearned to be a pioneer, crossing the American frontier in a covered wagon.

22.   THE myth of Wyatt Earp, one of the greatest lawmen of American frontier life, continues to haunt the imaginations of movie-makers and literati alike.

23.   When there were too many men and not enough women on the American frontier, matches were made by mail.

a. + frontier >>共 330
new 14.07%
next 4.34%
disputed 3.54%
final 3.54%
rugged 2.92%
western 2.92%
northern 2.57%
last 2.12%
american 2.04%
electronic 1.50%
american + n. >>共 1107
official 3.64%
company 2.23%
people 2.01%
flag 1.99%
troop 1.95%
soldier 1.55%
history 1.27%
citizen 1.25%
woman 1.22%
business 1.07%
frontier 0.03%
每页显示:    共 23