Barygyroscope
重力控制陀螺仪
🗣️ 情景例句
I intend to major in economics in college.
我想在大学里主修经济学。
I've got a pain in my head.
我的头痛。
I don't know! The address was on a piece of paper,but I can't find it now!
我不知道！地址在一张纸上，但现在找不着了！