常见例句He staked his psrt of the field. 他把他的那块地用桩标出来了。Several thinks on HIV infection of commonality recreation ground in a psrt of frontier port Xinjiang and sanitation control 新疆部分边境口岸区公共娱乐场所艾滋病感染与卫生控制的几点思索 返回 PSRT