下个月底我们必须上交第一份报告。
更有可能是司机发现后上交的。
It's more likely that a driver would have found it and handed it in.
他的练习本必须立即上交吗？
你应该马上交作业。
大雪导致道路上交通一片混乱。
饭后我们坐在游廊上交谈。
它的股票在未上市证券交易市场上交易。
狭窄的街道上交通堵塞。
今天早上交换了俘虏。
这个字一出口，丹和哈里马上交换了一个意味深长的眼神．
Upon the utterance of this word, Dan and Harry exchanged a quick, meaningful look.
有人碰巧上交了一个新的手提包吗？
网上交流既简单又有趣。
现在他们正在课堂上交谈。
我们经常在QQ或微信上交流。
今天早上交通太拥挤了，我上学差点迟到。
The traffic was so heavy this morning that I was nearly late for school.
我的爱好是玩电脑游戏和网上交友。
My hobbies are playing computer games and making friends online.
我们上交一卷胶卷，冲洗后，选择一张照片参加比赛。
We hand in a roll of film, it gets developed, and we choose one photo for the competition.
这可能是因为他们没有写下具体需要做的事情，或者没有记下何时必须上交。
This may be because they don't write down exactly what needs to be done, or don't make a note of when it has to be handed in.
如果人们经常在网上交换真实的个人信息，那么确实，这些友谊是真实而有意义的。
If people always exchange true personal information online then yes, these friendships can be real and meaningful.
那些因为某些需要得带手机的学生必须取得父母和老师的同意，并且必须在上课期间上交手机。
Those who require their phones for some need must get their parents' and teachers' approval and must hand their phones over during class time.
我们预订的晚餐就在桥对面的一家餐馆，所以我向他承诺，我们回去吃晚饭时，不仅要搜查喷泉周围的区域，而且还要找警察，问他们有没有人上交背包。
Our dinner reservation was at a restaurant just on the other side of the bridge, so I promised him that we would not only search the area around the fountain when we went back for dinner, but we would also find the police and ask them if the backpack had been turned in.
抱歉，我遇上交通阻塞了。
早上交通非常繁忙。
不要在网上交朋友。
水上摩托车是一种水上交通工具，它看起来很像摩托车。
Water scooters are water vehicles that look very much like motorcycles.
我想我告诉过你，我们要求未来的记者们上交几篇文章的提纲。
I think I told you that we ask prospective reporters to turn in some outlines for articles .
有些人认为在网上交朋友是危险的，因为他们可能被网友欺骗。
Some people argue that it is dangerous to make friends online because they may be cheated by online friends.
水上摩托车操作员在与其他水上交通工具的碰撞中死亡或严重受伤。
Water scooter operators have been killed or seriously injured in collisions with other watercraft.
越来越受欢迎的滑板车加剧了这个问题，使更多水上交通工具来竞争同样的空间。
The increasing popularity of the scooter has aggravated the problem, providing more water vehicles to compete for the same space.
我们可以想到政府官员举行新闻发布会，律师在法庭上交叉询问证人，或教授指导研讨会讨论。
We can think of a government official holding a news conference, a lawyer cross-questioning a witness in court, or a professor directing a seminar discussion.
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