F number
焦距比数
🧩 词语组成解析
🗣️ 情景例句
Mr. O'Neill was so impressed with your work O'Neill
先生被你的作品深深打动
A mother's love never changes.
母爱永恒。
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
没病，让娜，我没生过病。我知道我看上去比我的年纪要大些，那是因为劳累的缘故--10年的劳累呀！