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1.stay awake 保持清醒，不睡觉
Insuch cases, each device has to "stay awake" before it gets its turn to download a small piece of thedesired information.
因为在这种情况下，每一个设备在轮到它下载那少得可怜的所需信息之前都必须“保持清醒”。
2. at night 在夜晚，在晚上
Ialways read or study at night.
我总是在夜里读书或学习。
3. lead to 导致
This might lead to problems, since the requests might arrive out of order to the target machines in the server farm.
这可能会导致出现问题，因为请求可能不会按顺序到达服务器机群中的目标机器上。
4. on guard against 防范，谨防
Thus,you should be on guard against thisconfused mapping.
因此，您应该谨防这种有混淆的映射。
5.It suggests that animals might be playing it safe around people.
play it safe 谨慎行事，稳扎稳打
Although it's nice to play it safe, you might enjoy learning some new moves to jazz up both your dance style and your life.
尽管这样选择安全的做法很好，但是你也会享受学到新舞步来刺激一下你的舞蹈风格，活跃一下你的生活。
Resist that impulse, play it safe and give your body a rest.
抵抗住那样的冲动，还是从安全考虑让你的身体得到休息吧。
6. Researchers compared how much time thoseanimals were active at night in areas of human activity, such as hunting,hiking and farming.
such as 例如，比如
Ilike drinks such as tea and soda.
我喜欢诸如茶和汽水之类的饮料。
Butwhat if you have a lot of audio material to listen to,such as audio books or podcasts?
但是如果你有很多像有声书或播客这样的音频材料要听，那该怎么办呢？
