Jans
abbr. Jet Aircraft Noise Survey 喷气式飞机噪声调查; Joint Army-Navy Specification 海陆两栖部队说明书
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
I hate to dust the furniture and bookcases.
我非常讨厌擦拭家具和书架上的尘埃。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。