单词：exact statistical method
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World Wetlands Day (WWD) occurs on the 2nd of February each year. It marks the date of the signing of the International Convention on Wetlands in 1971 in Ramsar, Iran. WWD started in 1997. It aims to raise awareness of the value of wetlands around th
英语课程学习计划和讲义
[00:04.31]Flooding is continuing for a third week in southern African countries. [00:11.31]:Strong rain and wind have destroyed houses, bridges and roads in South Africa, Botswana, Zimbabwe and Mozambique. [00:23.54]Crops have been destroyed, and tho
美国英语听力80篇
World Wetlands Day (WWD) occurs on the 2nd of February each year. It marks the date of the signing of the International Convention on Wetlands in 1971 in Ramsar, Iran. WWD started in 1997. It aims to raise awareness of the value of wetlands around th
世界节假日博览
Minivan-sized Sponge Found off Hawaii Coast 夏威夷海岸发现巨型海绵动物 It might be hard to imagine, but scientists found a sponge the size of a minivan in deep waters near the Hawaiian Islands. 或许难以想象，科学家在夏威夷群
2016年VOA慢速英语(六)月
Amazing Amazon Hides Atlantic's Coral Reef 神奇的亚马逊隐藏着大西洋的珊瑚礁 Scientists studying the area where the Amazon River meets the Atlantic Ocean were in for a surprise. Under the muddy, dark Amazon River water was a large numb
2016年VOA慢速英语(五)月
March 3 3月3日 Read it! 读读看！ What tools does Rob need for the car wash? 罗柏需要为洗车活动准备哪些工具？ He needs sponges, soap, buckets and lots of water! 他需要海绵、肥皂水、水桶和大量的水！ Alex helps ou
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