单词:
单词: 相关文章
[00:04.00]flight [00:06.22]n.飞翔,飞行;航班;航程;楼梯的一段 [2]逃跑,溃退 [00:08.44]fling float flock [00:11.62]vt.(用力地)扔,抛,丢 v./n.漂浮,浮动 n.(禽,畜等的)群;大量v.群集,成群 [00:14.81]flood floor [0
fruitful a.多产的;有成效的 frustrate vt.破坏,阻挠;使失败,使泄气 fry v.油煎,油炸 fuel n.燃料;养料 v.(给)加燃料;刺激;推动 fulfil vt.履行(诺言等);完成(计划等);达到 fulfill vt.履行(诺言、
Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t
RAY SUAREZ, HOST: After Harvey and Irma, the hurricane season wasn't over. Hurricane Maria made landfall on Puerto Rico as a massive Category 4 storm. Months later, the power supply is still spotty, and thousands of homes still rely on generators. Da
JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams
MOSCOW, April 14 (Xinhua) -- China asserted its dominance in diving pool after winning six gold, one silver and one bronze medals at the 2012 FINA Diving World Series Moscow stop which concluded on Saturday. Chinese Olympic champion Lin Yue made a te