Ion velocity
[机] 离子速度
🧩 词语组成解析
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
And you can tell me
到时候你就可以告诉我`
What month is this?
现在是几月份？
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。