Focusing device
[电] 焦点调整装置
🧩 词语组成解析
[化] 调焦; 聚焦
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
I wrote 9 books.
我写了九本书。
'Well, I'd prefer to stay here,' I said.
“可我更愿意呆在这儿，”我说，