The average daytime summer temperature at sea level is 85 degrees F. (29.4 C) while the average daytime winter temperature is 78 degrees (25.6 C).

夏季白天的平均温度为华氏85度(29.4摄氏度)，而冬季白天的平均温度为华氏78度(25.6摄氏度)。

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Sleep only at night. Avoid daytime sleep if possible. Daytime naps steal hours from nighttime slumber. Limit daytime sleep to 20-minute, power naps.

只在夜间睡眠。尽可能避免白天睡觉。白天小睡会把夜间的熟睡时间偷走几个小时呢。把白天的睡觉时间限定为20分钟，权当一个恢复体力的小盹。

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Daytime air temperature inside rice canopy was also affected by FACE. Daytime air temperature inside rice canopy was higher in FACE plot than in ambient plot.

FACE对冠层空气温度也有影响，白天水稻冠层空气温度FACE高于对照，这种差异随太阳辐射增强而增大且冠层中部大于冠层顶部；

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Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature.

VOA: special.2010.07.27

First,they don't meet in the daytime; they meet either early before light,at dawn, or after dark,at night.

首先，他们不在白天聚会;,要么在天亮前的黎明，要么在天黑后的夜晚。

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So it's very crowded in the daytime, and at night time, it's not as crowded.

那儿白天很挤，晚上没那么挤。

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Having graduated from local news to daytime television, she was quick to exploit her position as America's top daytime host.

ECONOMIST: Dumbing up

Those tremors of change can also be seen in the awards show that celebrates the efforts of daytime TV as the 39th annual Daytime Emmys gets ready to air Saturday on cable rather than network TV.

CNN: Future of daytime? More talk, less drama

There was a period in TV history when college kids, a youthful audience that was candy for advertisers, were tuning in to daytime soaps, says Tom O'Neil, editor of GoldDerby.com, a site devoted to show business awards, including the Daytime Emmys.

CNN: Future of daytime? More talk, less drama