F-number
n. 数, 光圈数
🧩 词语组成解析
🗣️ 情景例句
Technology may bring breakthroughs to many currently incurable diseases.
科技能给现在无法治愈的疾病带来突破。
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
Are they going to return soon?
他们很快就回来吗？