F number
焦距比数
🧩 词语组成解析
🗣️ 情景例句
This big house is perfect for our large family.
这坐大房子完全适合我们大家庭居住。
I only had time to visit Edinburgh.
我只有时间去爱丁堡。
He was still mumbling something about hospitals at the end of the party when he slipped on a piece of ice and broke his left leg.
晚会结束时，他嘴里还在嘟哝着医院的事，突然踩到一块冰上滑倒了，摔断了左腿。