Instead of wrecking the valley, the waters are put to use making electricity.现在河水不但不在流域内肆疟,反而被人们用来生产电力.All this experience they had now put to use with success.这一切经验,他们现在都成功地加以利用了.If they're wise, they can put to us...
He had retained a keen interest in the progress of the work.他对那项工作的进展一直很关心。She retained a number of copies for further annotation.她保留了许多副本以便作进一步的注解。Gary Kasparov has retained his title as world chess champion.加雷·卡斯帕罗夫卫冕了...