voa
英 [ˌviː əʊ ˈeɪ] 美 [ˌviː oʊ ˈeɪ]
美国之音;美国之声;可变光衰减器;常速;慢速
例句
High speed VOA module had been fabricated by using back closed-loop control analog circuits.
本文采用后反馈闭环控制，制成了可变光衰减器模拟控制电路。
Brazil This is the VOA Special English Development Report.
这里是VOA特别英语发展报道。
VOICE: Now the VOA Special English program, WORDS AND THEIR STORIES.
现在是voa慢速英语栏目---词语典故。
