Aerozine
航空肼
🗣️ 情景例句
or the subway ...
或者搭地铁……
He established a new business.
他开创了新事业。
As the time and cost of making a chip drop to a few days and a few hundred dollars,
由于制造一块芯片的时间已缩短至几天，费用也只有几百美元，