keeping guard短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 站岗 On the way home that evening, when I approached the same area where I had seen the deer that morning, sure enough, the buck was still keeping guard over the doe. 那晚在回家的路上,当我又路过早上看见那头鹿的地方的时候发现那头雄鹿仍然警惕的在雌鹿身边巡视。 iask.sina.com.cn They are such precious stones that the police are keeping guard at every entrance. 它们是极珍贵的宝石, 所以警察在各个入口严防死守。 koolearn