1.unidentified flying object 不明飞行物，飞碟
例句：An unidentified flying object hung high in the sky.
不明飞行物高悬空中FK[.,^qi0cF&。
2.a piece of 一片，一块
例句：Could you shred me a piece of bread?
你可以为我切下一块面包吗?
3.a streak of 一道（光线）
例句：No one was there, nothing but a streak of moonlight from the window aslant the bed.
房间里空无一人，只有一缕月光射进窗户，斜照在床上49BR4N^eadTD4a。