| 释义 |
p.a. system 释义 公共广播系统 例句 1·When they published it, it was big news for the high school - it was even announced on the P.A . system . 杂志发表了它,这在我们高中可算是个大喜讯,连广播里都作了公布。 2·Before long an emergency announcement came over the P.A . system : "This hotel is constructed to be absolutely earthquake-proof." 过了不多久从P. A .系统中传出紧急广播:“该旅店是完全由防震材料建筑而成。”
|