Gyrolevel
陀螺測斜儀, 陀螺水平儀
??? 情景例句
They're coming by at six tomorrow morning,
他們明天早晨六點鐘過來，
The timid child would not leave his mother's side.
那個膽小的孩子不愿離開母親。
Is there a minimum order?
有最低訂購量的限制嗎？