Professional | Operating System
| operating system | |
| comp., MS | 操作系统 |
noun | adjective | to phrases
| English thesaurus | |||
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| .pro (Domain Name, Internet) | |||
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| prfnl; prof; profl | |||
| pro (He is really a pro at his work) | |||
| pro | |||
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| P | |||
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Professional : 8 phrases in 1 subject |
| Microsoft | 8 |