Machine drawing
[化] 机械图; 机械制图
🧩 词语组成解析
🗣️ 情景例句
but I have some of the pictures.
但我手头有一些照片。
Kill two birds with one stone.
一举两得。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。