Ion velocity
[机] 离子速度
🧩 词语组成解析
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
You still look like a teenager.
你看起来像一个十几岁的青年。
The outdoor concert was called off due to the weather.
露天音乐会由于天气原因被取消。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。