单词：cassava spun silk
单词：cassava spun silk 相关文章
AS IT IS 2013-07-15 The Fight to Protect Cassava Plants Hello, and welcome once again to As It Is, our daily show for people learning everyday American English. Im Christopher Cruise in Washington. Today on the program, we tell about the moringa olei
2013年VOA慢速英语(七)月
导购口语: The spun silk is the best material for pillowcase. 绢丝是做枕套的最好料子。 This material is a mixture fabric of pure wool and plush. 这种料子是纯羊毛与长毛绒的混纺织物。 Tweed is one of the best men's clot
最In导购口语
She spun her snell with silkglands on the underside of her abdomen. The threads harden on contact with air. The trap's set, but she's treading carefully. The web's only sticky in places. She can move around, but others can't. The first bite of the da
自然百科2013年
What's going on? said Jack. I don't know, said Annie. But we'd better followit.She hurried after the ball of silk thread. Jack put the bamboo book into his sack and took offafter her. They followed the trail of thread down the row,where it turned dow
汪培珽儿童英文分级书单《神奇树屋》
Silk 蚕丝 Silk is the strongest natural fiber in the world, as far as we know. Scientists long to understand just how exactly the silkworm manages the process of silk weaving, so they can replicate the process in order to manufacture such things as
英语听力文摘 English Digest