Focusing device
[电] 焦点调整装置
🧩 词语组成解析
[化] 调焦; 聚焦
🗣️ 情景例句
It is generally believed that Chinese are poor public speakers.
一般认为中国人不擅长公众演讲。
I bet he's the best.
我敢打赌他是最棒的。
Then she touched me lightly on my arm and made me burst into laughter.
然后她轻轻地触摸我的手臂，使我哈哈大笑。