单词：
单词： 相关文章
barrier, ['briə] n （用来禁止通行的各种）障碍物（如：栅栏和关卡）＝obstacle 【例】The police put a barrier 警察设了路障。barrier of speech 语言的隔阂
不择手段背单词
Commerical fisherman Chad Isaak and a partner haul in a boatload of invasive Asian Carp, Jul 2010 The multi-billion-dollar commercial fishing industry in the Great Lakes region of the United States employs more than 800,000 people, but is threatened
VOA标准英语2010年(七)月
Crop rotation is a recognized way to keep soil and food eco-system healthy. Now scientists are saying that rotation could be a useful tool in the sea. Researchers tracked the shallow water near shore species used for food-sea cucumbers. They'are easy
2015年Scientific American(五)月
This habitat into connect under all of vital to the well being of the Great Barrier Reef. This is the little known story of one of the most complex and spectacular Eco-systems on earth. The Great Barrier Reef is over 2,000 kilometers long which means
自然百科2014年
今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资
英语每日一词
Smallest Fish 最小的鱼 澳洲科学家宣称，他们发现了世界上最小的鱼类，这种鱼的寿命只有两个月，也不会发育出鱼鳍，牙齿和鱼鳞等构造。 这种鱼名为大型婴儿鱼(Stout Infantfish)，是澳洲博物馆
英语听力文摘 English Digest