Focusing device
[电] 焦点调整装置
🧩 词语组成解析
[化] 调焦; 聚焦
🗣️ 情景例句
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
A fool always finds a greater fool than himself.
愚人总以为旁人比自己更傻。
It's a pen.
一支钢笔。