Acts
abbr. 声控遥测系统（Acoustic Control and Telemetry System）；声控制与遥测系统（Acoustic Control and Telemetry System）
🗣️ 情景例句
Say what?
你说什么？
It's up in the air.
尚未决定。
The following year, it was taken to pieces and sent to America.
第二年，它被拆成若干小块，运到美国。