Servobrake
伺服[继动]制动器, 伺服[助力]刹车
🗣️ 情景例句
Tongue muscles'training is of great importance in learning any foreigh language.
口腔肌肉训练在学习任何语言时都是非常重要的。
Oh, just over the holidays.
哦，就过完假期。
Are these English books?
这些是英语书吗？