间羧基苯丙氨酸

ACT II Hi, Michelle. 嗨,Michelle。 Hello, Harry. 你好,Harry。 It's nice to see you again. 很高兴再见到你们。 Hello. 你好。 Hi, Susan. 嗨,Susan。 We have both been excited abou

发表于:2018-12-20 / 阅读(60) / 评论(0) 分类 走遍美国 Family Album U.S.A

There lived a heron by a big lake. He used to catch fish and eat them. But he had become old and could not catch fish like before. He went without food for many days together. I have to think of a plan. Otherwise I won't live for long, thought the he

发表于:2019-01-08 / 阅读(63) / 评论(0) 分类 英语小短文

shrimp crab 不管是英文还是中文,人们往往用动物的名称来形容人,例如骂人的时候说某人像猪,像狗,或者赞扬某人鹤立鸡群等。美国人有时把人形容为像

发表于:2019-01-11 / 阅读(98) / 评论(0) 分类 美国习惯用语

Walk straight,said a mother crab to her daughter,stop dragging yourself sideways all the time. Mother,replied the daughter,just show me how.If you walk straight yourself I will copy you. Don't expect people to do things you would not do

发表于:2019-01-11 / 阅读(69) / 评论(0) 分类 趣味英语

Many crabs are found with sea-weed and even with shell-fish growing on their backs. This helps them to catch the little fishes on which they live. The fishes do not notice the crab when its shell is covered in this way. 人们发现很多螃蟹背上都

发表于:2019-02-13 / 阅读(48) / 评论(0) 分类 英国学生科学读本

Climbing trees, building dens and flying kites were all once common childhood pleasures. 爬树、建巢穴、放风筝这些室外运动曾是我们每个人童年生活的快乐源泉。 These days, however, the popularity of computer games combine

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 阅读空间