The photosynthesis of rice have a afternoon-nap, which is characterized hy the lowest synthetic rate of the day at 13 o 'clock (Beijing Summer time).
水稻的光合作用表现出明显的午睡现象，即13时左右(北京夏令时)光合作用出现低谷。
It's been a long time since we met in Beijing last summer holiday, and I am eager to hear about your life and study at school.
距离我们上个暑假在北京见面已经过去很久了，我非常想要了解你在学校的生活和学习情况。
The boy stayed in Beijing for some time last summer holidays.
去年暑假这个男孩在北京呆了一段时间。
In 2001, the 21st Summer Universiade was for the first time held in Beijing, China.
2001年，第21届夏季大运会首次在中国北京举办。
According to old customs in Beijing, when it comes to "Summer Solstice", people can eat cold noodles to stimulate the appetite and at the same time don't need to worry about having diarrhea.
根据北京地区的旧俗，每到夏至时，人们就会吃凉面刺激食欲，同事也不必担心会腹泻。
The first time I went to Beijing, I visited the Summer Palace.
我第一次到北京时，就参观了颐和同。
Summer is here - time to get afloat and join the action at the Beijing Sailing Center!
赶快加入北京航海中心水上活动吧！
Summer is here - time to get afloat and join the action at the Beijing Sailing Center!
赶快加入北京航海中心水上活动吧！
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