.The materials are nottransparent(透明的), but some light waves do pass through them.The discovery might...), eggshells and white paint canfocus(聚集) light and can be turned into cheaplenses(镜头).The discovery was made ……

英语课堂运用“探索法“ 循循善诱教授语法规则
" to the grammar through a series of steps this is what is meant by the "discovery technique". Adrian Tennant, a teacher trainer in Nottingham, UK, introduces the "discovery technique" and examines how ……

Discovery takes its last voyageDISCOVERY, the world’s most traveled spacecraft (航天器), arrived... them several have completed long stays at the massive (大规模的) orbiting (轨道运行) laboratory.Discovery ……

magazine. They say the discovery of the fossil is a breakthrough in understanding the origin... and teeth, is the first discovery of the genus in Asia.Experts warn of new Messenger wormANTI-VIRUS ……

: Craig Mello (R), 46, and Andrew Fire, 47.Nationality: AmericanAchievement: the discovery of RNA... that no protein is produced. The gene is effectively silenced (prevented from having an effect). The discovery ……

Scientists have made an exciting discovery that could mean we’re closer than ever to finding alien.... In October 2015, NASA sent Cassini into one of the plumes (股) of water that spray (喷射) through cracks (裂缝 ……

DNA research shapes our past, present and future. TUCHONG  The discovery of DNA changed our livesThe discovery of DNA changed our lives生命的“螺旋”：纪念DNA结构发现70周年生命的“螺旋”：纪念DNA结构发现70周年词数 370 测试见IV ……

that going through a “fun-scary” activity can make people feel good. The feelings it gives... uncertainty (不确定), but you still want to try. When you make it through, you feel like you are strong ……

that going through a “fun-scary” activity can make people feel good. The feelings it gives... uncertainty (不确定), but you still want to try. When you make it through, you feel like you are strong ……

47颗牙齿改写人类迁移史。SCIENTISTS are always exploring our human ancestors. Now they’ve made a discovery that could change our knowledge of how the modern human race populated (生活于) our planet.The discovery ……

among historians and Lincoln biographers. Most dismissed it as myth. But now, through the extraordinary discovery of Lincoln’s long lost journals, author Grahame-Smith brings to life the Great ……

-discovery (自我发现), he learns that hard work and honesty (诚实) can help a person through difficulties in life ……

Humans have by now gone through three industrial revolutions (工业革命) – the discovery of steam power in the 18th century, the introduction of electricity in the 19th century and the invention of modern ……

Humans have by now gone through three industrial revolutions (工业革命). These are the discovery of steam power in the 18th century, the introduction of electricity in the 19th century and the invention ……

, are competing through the same channels".Discovery Toys and BabyCare are relying on BabyCare's existing... Beiru. She's an enthusiastic sales representative for US-based Discovery Toys, direct seller ……