它因塞文潮而闻名，塞文潮是一种定期从海里沿河向上流动的巨浪。
It's well known for the Severn Bore—a tall wave of water that regularly—flows up the river from the sea.
他们也无法获得高质量的医疗保健或其他社会向上流动的先决条件。
They also do not have access to quality health care or other prerequisites for upward social mobility.
其次，从女性的社会流动趋势来看，与男性相比，女性向上流动的比例较低，而水平流动和向下流动的比例较高，女性的社会地位有进一步下降的趋势。
Second, compared with men, the percent of women flowing upward in society is lower but that of horizontal and downward mobility is higher, and social standing of women tends to further decline.
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