I was able to buy the television a little over a year ago because I had my relatives give me some money for my birthday.
一年多前我买了这台电视机,因为过生日时,亲戚给了我一些钱。
Quartz is quartz—a silicon ion surrounded by four oxygen ions—there's no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.
石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。
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