[译] 空气中的小水滴形成云。
[误] Small drops of water in the air form clouds.

[正] Tiny drops of water in the air form clouds.
[注] 形容微小时常用 tiny, minute, microscopic 等形容词，往往用来形容肉眼看不到的物体。又如：Even a minute speck of dust makes us cough. 一点微尘也能引起咳嗽。/Germ is a tiny form of life invisible to the naked eye. 细菌是肉眼看不见的生命形式。