单词：pumice powder
单词：pumice powder 相关文章
今天要讲的习惯用语都由这样一个关键词发展而来 ： powder。 大家一定知道powder是粉， 可以是扑脸的香粉，也可能是治病的药粉或者爆炸的火药，种类繁多。今天要学的第一个习惯用语是：
美国习惯用语
Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t
VOA2004（上）--各类新闻
今天要讲的美国俚语由powder发展而来。大家一定知道powder是粉，可以是扑脸的香粉，也可能是治病的药粉或者爆炸的火药，种类繁多。今天要学的第一个习惯用语是： take a powder。 习惯用语t
美国俚语
今天要学的习惯用语是： keep one's powder dry。在keep one's powder dry这个习惯用语里，powder指枪炮用的火药。以前步兵和水兵把火药装在火药桶里保持干燥，随时取用。要是哪个粗心大意的士兵忘了
美国俚语
The next thing Jack knew, he was lying on thestone patio. The patio stones were trembling. Arumbling sound came from the ground. 12Jack raised his head. Annie was on the ground, too. You okay? said Annie. Jack nodded. Everything was shaking and crash
汪培珽儿童英文分级书单《神奇树屋》
The bridge must have caved in! cried Annie. They stared at the dried-up stream. Pumice hadpiled up in huge drifts, like snow. We'll have to get through that stuff to get across!said Jack. He and Annie slid down the bank onto the piles ofpumice. As th
汪培珽儿童英文分级书单《神奇树屋》