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

发表于:2018-12-30 / 阅读(41) / 评论(0) 分类 不择手段背单词

She is busy after school. She comes home after school. She does her homework. She takes the dog for a walk. She feeds the dog. She eats dinner. She clears the table. She brushes her teeth. She watches TV. She watches for two hours only. Her parents a

发表于:2018-12-31 / 阅读(33) / 评论(0) 分类 儿童英语小故事

Mucus: Your Friend Against Bacteria 粘液助你对抗细菌 When you are sick with a cold or the flu, you may have a runny nose. Why is it called a runny nose? Because of the mucus flowing and dripping from your nose. Yucky! But, guess what? Mucus i

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2016年VOA慢速英语(一)月

But the book also reinforced his tendency to embrace extreme diets, which included purges, fasts, or eating only one or two foods, such as carrots or apples, for weeks on end. 但这本书也进一步将他推向了极端的饮食习惯,包括催吐、

发表于:2019-01-22 / 阅读(37) / 评论(0) 分类 乔布斯传

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

发表于:2019-01-25 / 阅读(85) / 评论(0) 分类 英语每日一词

Science and technology 科学技术 Microbiomics 微生物组学 A virus shield 病毒防护 Viruses help keep people disease-free 病毒能够帮助人类免遭疾病 THE story of the microbiomethe community of tiny organisms that coexist symbiotica

发表于:2019-02-24 / 阅读(77) / 评论(0) 分类 经济学人科技系列