单词：electrolytic beaker
电解烧杯
单词：electrolytic beaker 相关文章
Four friends were arguing over whose dog was the smartest. The first man, an engineer, called to his dog, T Square, show your stuff. The dog trotted over to a desk, pulled out a paper and pencil, and drew a perfect triangle. 四个朋友在为谁的狗
发表于:2019-02-06 / 阅读(194) / 评论(0)
英语美文
英语美文