有效双字的英文

• effective double-word

• 有效:    effective; valid; efficaciou ...
• 双字:    double word
• 有效双字组:    effective double word; effective double-work
• 有效双字位置:    effective double word location; effective double-word location
• 有效双字组位置:    effective double-word location

例句与用法

1. Effective double - word location
   有效双字组位置
2. Effective double word
   有效双字组
3. Effective double - work
   有效双字组