单词:compound mast
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[00:06.69]Unit 1 [00:08.19]Which is bigger? [00:10.99]Lesson 4 [00:14.26]Learn to Say [00:16.46]Look at the sun and the moon. [00:19.49]Which is bigger, the sun or the moon? [00:23.33]Of course the sun! [00:25.37]It's bigger and brighter than the moo
以色列科学家荣获世界粮食奖 A pioneer who made arid lands bloom is the recipient of this year's prestigious World Food Prize. Daniel Hillel developed drip irrigation techniques that squeeze the most crop out of a drop of water, making far
Why is there no water coming out when you turn on the faulcet? Not even a single drop? Well, it's just drip drip drip. But that's not water. I don't know. Since yesterday morning, the water pressure has dropped to a little more than a drip. Did you c
Irrigation Pioneer Wins World Food Prize Hillels orchards near his home in Israel are innovation in action. Each tree row is fed by plastic tubes which drip water at the base of the tree. Irrigating drop by drop - called drip irrigation - has transfo
冠军单曲:Alexandra Burke - Start Without You Alexandra Burke是第五季X Factor的冠军,也是X Factor的舞台上继Leona Lewis之后第二个女性冠军。新单曲Start Without You本周成为英国单曲榜的冠军。 Artist:Alexand