For years, blatantly false assertions have gone unchallenged...多年来，一些明显错误的断言都没有受到质疑。They will not allow your more way-out ideas to pass unchallenged.他们不会放过你这些古怪的念头的。...the man who has led his party unchallenged for over ...
每个雌体四五月份只产一粒卵。Each female will lay just one egg in April or May.雌兽与幼崽显然受益于群居.Females and cubs clearly derive some benefit from living in groups.那位农民买了头雌鹿.The farmer bought a doe....