他是我在棒球场上见过的跑得最快的家伙。He was the fastest thing I ever saw on a baseball field.他不得不收回他说过的公司能免受经济衰退影响的话。He has had to eat his words about the company being recession-proof.将已收获过的黄瓜、西红柿和其他作物的秧蔓割下，制成堆肥。Cut down and compost spen...
the upgradation of civic facilities in large cities大城市市政设施的改进I feel it is my civic duty to vote.我认为投票选举是我作为公民的义务.It's almost ten miles from here to the civic center.从这儿到市中心差不多有十英里....
at once的近义词有：immediately, instantly, presently, directly, shortly, soon, at once, right away。下面这些副词或副词词组均有"立刻，马上"的含义：immediately：指做完一件事后，立即就做另一件事，中间一般没有明显的时间间隔。instantly：指恰恰就在此刻，一秒钟也没耽误。presently：指不久、即将。directly和immediat...