The residue includes heavy metals, carcinogens and even radioactive materials that young children can get on their hands and ingest, especially if they're crawling or playing on the floor.
这些包括重金属,致癌物资甚至放射性物资在内的残余物,沾满了婴幼儿的双手甚至被他们的呼吸道吸收。当婴幼儿在地板上爬行或者玩耍时,所受的污染尤甚。
Sitemaps 0.90 is an important step toward this goal and allows simple and efficient crawling even of complex and dynamic modern Web sites.
Sitemaps 0.90 是实现这一目标的重大突破,甚至在复杂和动态的现代 Web 站点中,它也能提供简单和有效的爬行。
So tarantulas often use silk much like Spider-Man does when wall-crawling—to stick to surfaces and stay firmly attached, even when the ground is shaky, the research confirmed.
该研究证明,狼蛛在龟裂不均的墙面爬行时,经常向蜘蛛侠那样使用蛛丝牢牢地粘附在表面,即使表面摇晃,它们也能紧紧地贴在那里。
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