Cng
abbr. 压缩天然气（Compressed Natural Gas）
🗣️ 情景例句
At today's exercise class...
今天上健身课的时候……
How many passengers were on the train?
在火车上有多少旅客？
In 1975, a primitive machine called the Altair, was launched in the USA.
1975年，美国推出了一台被称为“牛郎星”的原始机型。