学生们分组研究复杂的问题。The students work in groups on complex problems.参加者按年龄分组。Participants were categorized according to age.你的工作是把他们按字母顺序分组，然后按数字顺序排序。Your job is to group them by letter and put them in numerical order....
埃利奥特跨过终点线时仅比对手落后半秒钟。Elliott crossed the finish line just half a second behind his adversary.苏格兰队在国内最后一场热身赛的对手是波兰队。Poland provide the opposition for the Scots' last warm-up match at home.对手认为他必败无疑。His opponents belie...