Servoamp
伺服[随动]放大器
🗣️ 情景例句
He will not see me stopping here
他不会看到我驻足此地
My home is in the capital.It's a cosmopolitan city.
我的家在首都.它是一个国际性的城市。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。