1.立刻,马上;同时
1.immediately
2.at the same time
1.He began to talk and laugh, in happy, thoughtless, boyish fashion, as we walked along, and made himself old friend with me at once.
我跟他一起走着，他就谈笑起来，高高兴兴，无忧无虑，非常孩子气，还真是跟我一见如故。
2.What's the matter with you? --I've got a headache. --Oh, you'd better see a doctor at once.
你怎麽了？--我头疼。--噢，你最好马上去看医生。
3.He began to think at once what he must do, how he must act to carry on his business, to rehabilitate himself.
他立即开始想到他应该怎么对付，怎么采取行动继续做生意，重建事业。
4.similar to Eclipse the user is able to dock window to any side of its parent, making it easy to view multiple editors at once.
Docking框架——与Eclipse相似，用户能够使窗口停靠（dock）在其父控件的任何一侧，以便于能够同时浏览多个编辑器。
5.This position allows the two of you to be completely wrapped up in one another, stimulating all your body parts at once, and his!
这种体位允许你们俩完全关注于对方，即时地刺激你所有的身体部位，还有他的！
6.when i said to molly the man at the corner of cuffed street was goodlooking , thought she might like , twigged at once he had a false arm.
当我对摩莉说，卡夫街拐角那儿的男子长得英俊，她想必喜欢这样的，她却马上发现他有一只胳膊是假的。
7.I could see at once that it was the effect of the evening which had come within me; its shades had obliterated my self.
我立刻能够看出这是夜晚在我内心的效果，它的光影把我的“自我”消灭了。
8.It may be difficult for some heavy smokers to stop smoking at once, but at least they should first of all quit it in public places.
对于一些有很大烟瘾的人来说立刻戒烟可能会很困难，但是至少他们可以不在公共场合吸烟。
9.Ask the young in Iran, who seem capable of holding on to the idea that the US is at once threatening and a model to be emulated.
问一问伊朗的年轻人就会知道，他们心目中的观念是：美国既是一种威胁，同时也是一个可以仿效的榜样。
10.But without grouping, you might not be able to see all of your taskbar buttons at once.
但是如果不进行分组，则可能无法同时看到所有任务栏按钮。