Hydrogyro
流体浮悬陀螺仪
🗣️ 情景例句
Now, come on, son. Come on, son.
醒醒， 孩子。醒醒， 孩子。
He likes playing the violin.
他喜欢拉小提琴。
and comforted by the thought of the help he was bringing to his friend,
想到能对朋友有所帮助，他感到欣慰，