Heterosexual anal intercourse is rarely discussed in the scientific literature. Review of the literature suggests the silence is linked to ethnocentric dis... DR Bolling,B Voeller - 《Arch Sex Behav》 被引量: 307发表: 1991年 Sex acts, sex partners, and sex budgets: implications for risk factor...
come into play:开始;开始起作用剑桥词典英语释义:If something comes into play, it starts to have a use or an effect in a particular situation, and if it is brought into play, it is given a use or an effect.例句:In the summer months a different set of climatic factors come into play.A...
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The word has a relatively new frequent companion:health span. A person's health span is the length of time that the person is healthy—not just alive. The earliest evidence ofhealth spanthat our preliminary research has turned up is from the late 1980s: "A revolutionary increase in life sp...
The latitude 23° 26′ North is also known as theTropic of Cancer. It marks the northern-most position on the Earth, where the Sun is directly overhead at least once a year. This happens during theJune Solstice, when the Earth’s Northern Hemisphere is tilted towards the Sun. ...
1. What’s it made of? 它是用什么做的? ◆be made of意思是“由……制成”,介词of所指的原材料一般是未经变化,仍可看出材料的。例如: The desk is made of wood. This bridge is made of stone. 课桌是用木头做的。桥是石头造的。 ◆be made from意思也是“由……制成”,但介词from所指的原材料...
Xi emphasizes that the ultimate goal of reform is for the people's well-being. He has pledged to make people's priorities his own and act on their wishes. This is different from the "capital first" stance. He recognized that after more than 30 years of reform and opening-up, the princ...
Driver software.Also known asdevice drivers, this software is often considered a type of system software. Device drivers control the devices and peripherals connected to a computer, helping them perform their specific tasks. Every device that's connected to a computer needs at least one device dri...
Does Scarcity Mean Something Is Hard to Obtain? Scarcity can explain a market shift to a higher price, compare the availability of economic inputs, or convey the opportunity cost in allocating limited resources. The definition of amarket priceis one at which supply equals demand, meaning all th...
Poverty is a state or condition in which a person or community lacks the financial resources and other essentials beyond income for a minimum standard of living.