用法:
1 Petty Officer.

用法:
2 (also po) postal order.

用法:
3 Post Office:
PO Box 920, eg in an address 邮政信箱920号.

• intangible
• integral
• integrate
• integrated
• integrity
• integument
• intellect
• intelligible
• intemperance
• intemperate
• intensify
• intensity
• intent
• intentional
• inter
• interaction
• intercede
• intercept
• interceptaa
• intercessor
• interchangeable
• interdependent
• interdict
• interdisciplinary
• interest