1. 一屯为二骨，即牛的左右肩胛骨，二骨合为一屯。
One TUN falls into two bones, namely, the left and right scapula of a bull.
2. 一屯
2. 对基思和贝尔来说，他们的生活有点不同，没有保姆没有托管，有时他们没有足够的钱买报纸或一屯饭。
It is a different life for Keith and Becki who raised their children without the help of a nanny or day care, and who at times did not even have enough money for a newspaper or even a dinner date.