F-number
n. 数, 光圈数
🧩 词语组成解析
🗣️ 情景例句
Where are the shopping carts?
购物车在哪儿？
Small gains bring great wealth.
小益聚大财，薄利成巨富。
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。