四元数的诞生,如同几何、代数、形而上学和诗歌这四位父母的奇特后代。
Singing has helped me find inner peace.
有时候最有力的画面是那些为观者的想象留下漫游空间的画面。
Coal has been the backbone of industry, and with innovation, it can continue to be.
每一次挫折都是为了更好的回归做准备。