狮子抓住猎物,把它吃了。
According to classical black hole theory, the gravitational field around such objects is so great that nothing, not even light, can escape from their tenacious grip.根据经典黑洞理论,这些物体周围的引力场之大使得任何东西都无法逃脱其魔爪,连光都不行。
Type 1 polio, the most dangerous strain, is beginning to loosen its grip on the world's most tenacious reservoir, in western regions of Uttar Pradesh.印度北方邦的西部地区是全世界脊髓灰质炎最顽固的堡垒,在那里,最危险的1型脊髓灰质炎已开始得到控制。