Nitrosoethane
亚硝基乙烷
🗣️ 情景例句
John Marchetta gave me my start here six years ago,
六年前 ，John Marchetta让我在这儿起步，
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
Films, videos, CDs and CD-ROMS are just some of the bewildering amount of information they will have.
电影、录像、光盘和光盘驱动器只是能为他们提供令人眼花缭乱的大量信息的几种手段。