单词：bismuth tetroxide
[机] 四氧化二铋
单词：bismuth tetroxide 相关文章
Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n
发表于:2019-01-26 / 阅读(51) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
发表于:2019-01-26 / 阅读(75) / 评论(0)
经济学人综合
经济学人综合