Pehameter
[化] pH计
🗣️ 情景例句
but I think I can be of some help to you.
但我觉得我可以对你略有帮助。
Where can I get my baggage?
我到哪里去拿我的行李呢？
This ran on an 'operating system' called DOS, produced by a then small company named Microsoft.
这种电脑采用了一种被称为磁盘操作系统（DOS）的工作程序，而这种程序是由当时规模不大的微软公司生产的。